# RRB Group D MODEL SET VII

## RRB Group D MODEL SET VII

Choose the Correct Option

If 10% of m is the same as 20% of n, then m : n equal to

(a)2 : 3

(b) 2 : 1

(c) 1 : 30

(d) 1 : 10

(2) Which among the following is the largest four digit number that is divisible by 88 ?

(a) 9988

(b) 8976

(c) 9944

(d) 7777

(3) If a price of a book is first decreased by 25% and then increased by 20%, the net change in the price of the book will be

(a) 6 % decrease

(b) No change

(c) 5 % increase

(d) 10 % decrease

(4) The compound interest on a sum for 2 yr is Rs. 832 and the simple interest on the same sum at the same rate for the same period is Rs. 800. What is the rate of interest ?

(a) 8%

(b) 12%

(c) 7%

(d) 10%

(5) What is the number of prime factors 30030 ?

(a) Two

(b) Seven

(c) Six

(d) Ten

(6) The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C 43 kg, then the weight of B is

(a) 32 kg

(b) 17 kg

(c) 26 kg

(d) 28 kg

(7) On simplification 3034 – (1002 / 20.04) is equal to

(a) 4561

(b) 7329

(c) 2984

(d) 1643

(8) What number must be added to each of 4, 10, 12, 24, so that the resulting numbers are in proportion ?

(a) 12

(b) 6

(c) 1

(d) 4

(9) What is the HCF of 3.0, 1.2 and 0.06 ?

(a) 0.6

(b) 5.03

(c) 0.06

(d) 2.12