MATHS WINNERS: ARITHMETIC AND MENTAL ABILITY

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Wednesday, 17 January 2018

ARITHMETIC AND MENTAL ABILITY 21:20

ARITHMETIC AND MENTAL ABILITY- 41

606. In a meeting of 50 boys each boy is required to shake hands with the other.

Then how many total shake hands will be there?

(a) 1230 (b) 1000

Answer: (d)

607. If TELEVISION is coded as NOISIVELET, then COMPUTER will be Test of Arithmetic and Mental Ability coded as:

(a) PUTERCOM (b) RETUPMOC

Answer: (b)

608. From 3 drums of petrol 27,33 and 45 litres respectively are to be drawn out.

What is the capacity of the measure which will allow this to be done most rapidly?

(a) 1 litre (b) 3 litre

Answer: (b)

609. Three things are alike in some way. Which one of them is different?

(a) Trouser (b) Shirt

Answer: (d)

610. If the diameter of a sphere is doubled, then volume is:

(a) doubled (b) becomes 8 times

Answer: (b)

611. Out of the following which one is a leap year?

(a) 1995 (b) 1998

Answer: (d)

612. Toffees are bought at a rate of 8 for one rupee. To gain 60% they must be sold at:

(a) 6 for Re.1 (b) 5 for Re.1

Answer: (b)

613. Which number will come next in the series: 64,81,100,121,___?

(a) 131 (b) 181

Answer: (c)

614. The value of (1-1)13:

(a) -1 (b) 1

Answer: (c)

615. 5,7,12,19,31,?

(a) 40 (b) 50

Answer: (b)

616. The average of three consecutive even number is 39.What is the sum of the

first two of these numbers?

(a) 11 (b) 24

Answer: (c)

617. If Sanjiv is 20^th best and 20^th worst student in the class, the number of students in the class is:

(a) 20 (b) 39

Answer: (b)

618. By selling an article for Rs.100, one gains Rs.10, then the gain percent is:

(a) 9% (b) 10%

Answer: (d)

619. If DEVIL is related to LIVED, then 3256 is related to:

(a) 2365 (b) 6523

Answer: (b)

620. H.C.F. of any two consecutive even number is:

(a) Their product (b) Their sum

Answer: (c)

621. When :Where :: Time: ?

(a) Reason (b) Process

Answer: (d)

622. ‘B’ earns 20% more than ‘A’, ‘C’ 25% more than ‘B’ and ‘D’ 30% more than

‘C’. If D earns Rs.975, then ‘A’ earns:

(a) Rs.195 (b) Rs.375

Answer: (d)

623. AOP,CQR,EST,GUV,?

(a) IYZ (b) HWX

Answer: (c)

624. A car purchased for Rs.90000. After one year if it depreciated by 30% what is the value at that time?

(a) 120000 (b) 27000

Answer: (c)

625. Select the odd one:

(a) Cockroach (b) Termite

Answer: (d)
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ARITHMETIC AND MENTAL ABILITY- 42

626. A train of 100m length running at a speed of 72 kmph. What time will it

take to pass a man standing at the railway track?

(a) 6 seconds (b) 4 seconds

Answer: (d)

627. GRAIN: TIZRM :: BRAIN:?

(a) XRIKL (b) YIZRM

Answer: (b)

628. 25x25x25=?

(a) 15600 (b) 15486

Answer: (d)

629. Select the odd one:

(a) Anxiety (b) Worry

Answer: (d)

630. 12.5% of x is 20, What is x?

(a) 120 (b) 160

Answer: (b)

631. Coal: Heat :: Wax:?

(a) Energy (b) Heat

Answer: (c)

632. A can finish a work in 20 days and B can do the same in 30 days. How long

will it take together to finish the work?

(a) 10 (b) 15

Answer: (d)

633. Select the one which is different from the other three responses:

(a) Direction (b) Compass

Answer: (a)

634. Cube root of 729:

(a) 9 (b) 7

Answer: (a)

635. Ramesh and Manesh play hockey and football. Mahesh and Suresh play

football and cricket. Then who does not play cricket?

(a) Suresh (b) Mahesh

Answer: (d)

636. What is the cube root of 1728?

(a) 12 (b) 21

Answer: (a)

637. A and B are standing at place P they start moving in the opposite directions at the speed of 5kmph and 4 kmph respectively. What will be the distance between them after 3 hours?

(a) 3km (b) 21km

Answer: (c)

638. Express 30 paise as the percentage of Rs.6:

(a) 5% (b) 6%

Answer: (a)

639. FGHI: KLMN :: BCDE:?

(a) HGIJ (b) ZIYX

Answer: (d)

640. Which of these is a leap year?

(a) 1774 (b) 1886

Answer: (d)

641. Rectangle : Square:: Ellipse:?

(a) Sphere (b) Parallelogram

Answer: (c)

642. Which is the only number that represents the perimeter and area of same square?

(a) 12 (b) 10

Answer: (d)

643. Arrange the following is systematic order: 1. Frog 2.Eagle 3.Grasshopper

4. Snake 5.Grass

(a) 3,4,2,5,1 (b) 1,2,5,2,4

Answer: (c)

644. The place value of ‘5’ in 654789:

(a) 2 (b) 700

Answer: (d)

645. Atom: Molecule :: Cell:?

(a) Organism (b) Phone

Answer: (a)

646. The breadth of a rectangle is one half of its length. If the perimeter is 30m what is the length?

(a) 5m (b) 10m

Answer: (b)

647. LEMON: OVNLM :: MELON:?

(a) NVOML (b) LMNOV

Answer: (c)

648. n+n+n-1= 98. What is the value of n squared?

(a) 1000 (b) 1031

Answer: (d)

649. Which is the odd one?

(a) Gujarati (b) Oriya

Answer: (d)

650. A man deposits Rs.500 in a bank. If he receives Rs.1000 after 8 years, what is the rate of interest?

(a) 10% (b) 12.25%

Answer: (c)
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6. IT, CYBER LAWS AND GENERAL ENGLISH QUESTIONS AND ANSWERS ---> Click here
7. GENERAL SCIENCE - QUESTIONS AND ANSWERS

8. FACTS ABOUT INDIA

9. FACTS ABOUT KERALA

10. FACTS ABOUT WORLD

11. GEOGRAPHY AND ECONOMICS

12. FAMOUS PERSONALITIES - QUESTIONS & ANSWERS

13. ARITHMETIC/MENTAL ABILITY---> Click here

14. SSC/UPSC/RRB ==> EXAM

15. 1000 Previous Questions and Answers for PSC/SSC/UPSC Exams

PSC WINNERS 0

ARITHMETIC AND MENTAL ABILITY 21:20

ARITHMETIC AND MENTAL ABILITY- 43

651. 1% of 6% of a number is 0.036.

(a) 50 (b) 60

Answer: (b)

652. Which word cannot be formed using the letters of the word ‘TRANQUILITY’:

(a) TRIANGLE (b) TRAIN

(c)QUIT (d) TRINITY

Answer: (a)

653. First class train fare from Bangalore to Hyderabad is Rs.7415 and second class train fare for the same is Rs.5932. What is the ratio of second class to first class fare?

(a) 5:16 (b) 4:33

Answer: (c)

654. Complete the series: 2,7,24,77,____

(a) 233 (b) 238

Answer: (b)

655. If A:B=3:5, B:C=4:7, then A:B:C=

(a) 6:9:14 (b) 3:5:7

Answer: (d)

656. Find the smallest organism among the following by rearranging the letters:

(a) NOBIS (b) NETIKT

Answer: (d)

657. Mr.Ahuja gave 30% of his money to his wife, half of the remaining to his daughter and rest was distributed among five sons equally. If each son received Rs.14000 what was the total amount he had?

(a) Rs.200000 (b) Rs.10000

Answer: (a)

658. Complete the series: NAZ,OBY,PCX,?

(a) QCX (b) RDW

Answer: (c)

659. If the ratio of the perimeters of two squares is 1:2. What is the ratio of their areas?

(a) 1:8 (b) 1:4

Answer: (b)

660. Complete the series: 2,5,10,17,26,___

(a) 35 (b) 36

Answer: (c)

661. Krishna is two years older than Gopan. The age of Gopan is twice that of Mohan. The total age of the three is 27. What is the age of Gopan?

(a) 7 years (b) 9 years

Answer: (c)

662. What is the angle between hour hand and minute hand of a clock when the time is 1p.m.?

(a) 30degree (c) 29 degrees

(b) 31 degree (d) 30.5degree

Answer: (a)

663. What is the difference between compound interest at 10% and simple interest at 10% of Rs one lakh at the end of two years?

(a) 5000 (b) 1100

Answer: (d)

664. If 12 is related to 72, in the sameway 24 is related to:

(a) 6 (b) 288

Answer: (b)

665. The average of 3 numbers is 77. If the first number is twice the second number and the second number is twice the third number. Find the first number:

(a) 132 (b) 66

Answer: (a)

666. EARTH: RTHEA :: HEART:?

(a) ARTHE (b) RTHEA

Answer: (a)

667. The average of 7 papers is 30. The average of first four papers is 30. The

average of last four papers is 37.5. What is the marks of the fourth paper?

(a) 50 (b) 60

Answer: (b)

668. The next term in the series: AJS,CLU,ENW,?

(a) FOX (b) GPY

Answer: (b)

669. In a transaction, a broker earns Rs.8. If the brokerage is 1/8%, then the stock purchased is worth Rupees:

(a) 2800 (b) 3000

Answer: (c)

670. Which is different from others?

(a) Mango tree (b) Jack fruit tree

Answer: (c)

671. The present average age of a family of members is 36 years. If the present age of the youngest member of the family be 12 years, the average age of the family at the birth of the youngest member was:

(a) 48 (b) 40

Answer: (d)

672. Complete the series: 2,5,11,23,------__,95,191

(a) 44 (b) 46

Answer: (c)

673. If the length of a rectangular field is 48 metres more than its breadth and the perimeter of the field is 800m, what is the area of the field in sq.m?

(a) 39424 (b) 40000

Answer: (a)

674. ‘SCRIPT’ is coded as ‘TCQIQT’. What is the code for ‘DIGEST’?

(a) TIHETT (b) EIFETT

Answer: (b)

675. 40% of a tank is full. When 50 litres of water is taken out, the tank becomes empty. What is the capacity of the tank?

(a) 250 litres (b) 125 litres