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Friday, 13 May 2016

ARITHMETIC AND MENTAL ABILITY- 32

471. Which is different from others?

(a)25                               (b) 37
(c) 49                               (d) 57
Answer: (b)

472.  The simple and compound interests on a sum of money for 2 years are Rs.8400 and 8652 respectively.  The rate of interest per annum is:
(a)6%                                                                         (b) 7.5%
(c) 9%                                                                        (d)  4.5%
Answer: (a)


473. Find the next two letters in the given series B,C,E,H,L,?,?
(a)X,Y                                                                        (b) M,N
(c) Q,W                                                                      (d) O,P
Answer: (c)

474. What is the difference between the compound interest and simple interest
on Rs.4000 at 5% per annum for 2 years?
(a)10                                                                         (b) 11
(c) 20                                                                         (d) 100
Answer: (a)

475. A General , while arranging his men, who were 6000 in number, in the form of a square, found that there were 71 men left over. How many were arranged in each row?
(a)77                                                                             (b) 73
(c) 87                                                                             (d) 93
Answer: (a)

476. A man riding a bicycle, completes one lap of a square field along its perimeter at the speed of 39.6 km/hr in one minute 20 seconds. What is the area of the field?
(a)52900                                                           (b) 48400
(c) 44100                                                     (d) Cannot be determined
Answer: (b)

477. Which is different from others?
(a)Vaseline                                                          (b) Quinine
(c) Rubber                                                           (d) Resin
Answer: (a)

478. Rajesh incurred a loss of 45% on selling an article for Rs.3740. What was the cost price of the article?
(a)Rs.5080                                                              (b) Rs.6250
(c) 6800                                                                   (d) 6400
Answer: (c)

479. Earth: Saturn:: Rohini:?
(a)Comet                                                                   (b) Moon
(c) Sun                                                                        (d) Aryabhatta
Answer: (d)

480. The diameter of a wheel is 70 cm. What will be the distance covered in
350 revolutions?
(a)77m                                                                     (b) 770m
(c) 570m                                                                  (d) 970m
Answer: (b)

481. A clock gains five minutes every hour. What will be the angle traversed by the second hand in one minute?
(a)360                                                                    (b) 360.5
(c) 390                                                                   (d) 380
Answer: (c)


482. 20 litres of a mixture contains 20% alcohol and the rest water.  If 5 litres of
water be mixed in it, the percentage of alcohol in the new mixture will be:
(a) 18                                                                          (b) 18
(c) 15                                                                          (d) 16
Answer: (d)

483. If LOSE is coded as 1357 and GAIN is coded as 2468, what do the figures 84615 stand for?
(a)NAILS                                                                  (b) SNAIL
(c) LANES                                                                 (d) SLAIN
Answer: (a)

484. A group of 7 children has an average age of 12 years.  One of them aged 6
leaves the group.  What would be the age of the rest of the members after 2 years?
(a)12 years                                                             (b) 13 years
(c) 14.5  years                                                        (d) 15 years
Answer: (d)

485. Sty: Pig:: Byre: ?
(a) Eagle                                                                     (b) Cow
(c) Tiger                                                                      (d) Hen
Answer: (b)
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