**Arithmetic Ability MCQ SET II**

**(1)3 years ago ‘X’s age was double of ‘Y’s. Seven years hence, the sum of their united ages will be 83 year. The age of X today is**

(a) 37

(b) 42

(c) 45

(d) 25

**(2) Renu’s mother was three times a sold as Renu 5 yrago. After 5 yr, she will be twice as old as Renu. Renu’s present age, in years is **

(a) 15

(b) 37

(b) 18

(d) 23

(**3) The ratio of copper and zinc in brass is 13 : 7. How much zinc will be there in 100 kg of brass ?**

(a) 26 kg

(b) 35 kg

(c) 40 kg

(d) 53 kg

**(4) The length of a longest rod that can be placed in a room which is 12 m long, 9 m broad and 8 m high, is**

(a) 18 m

(b) 17 m

(c) 25 m

(d) 22 m

**(5) A sum of money invested at compounded interest amount in 3 yr to Rs. 2400 and in 4 yr to Rs. 2520 . The interest rate per annum is**

(a) 5%

(b) 12%

(c) 21%

(d) 8%

**(6) The volume of a cube is 512 cm ^{3}. Its surface area in sq cm is**

(a) 484

(b) 354

(c) 384

(d) 546

**(7) How may men will be required to plough 100 acres of land in 10 days, if 10 men require 8 days to plough 20 acres of land ?**

(a) 50

(b) 30

(c) 40

(d) 60

**(8) The average of 7 consecutive number is 20. The largest of these numbers is –**

(a) 27

(b) 34

(c) 42

(d) 23

**(9) A father is twice as old as his son. 20 years back, he was twelve times as old as his son. What are their present ages ?**

(a) 44,22

(b) 26,14

(c) 34,18

(d) None of these

**(10) The number 2784936 is divisible by which one of the following numbers ?**

(a) 89

(b) 78

(c) 65

(d) 88