Simple Arithmatic

# Arithmetic & Mental Ability – 16

The sum of two numbers is 18 and their product is 72. The smallest numbers

Photo: Pixabay
A train 280m long, running with a speed of 63kmhr will pass a pole in
a) 12 s
b) 14 s
c) 16 s
d) 18 s

Anil introduces Rohit as the son of the only brother of his father's wife. How is Rohit related to Anil?
a) Cousin
b) Son
c) Uncle
d) Son-in-law

The sum of two numbers is 18 and their product is 72. The smallest numbers
a) 5
b) 6
c) 7
d) 8

Find the odd one
a) CXGT
b) EVBY
c) DXEY
d) AZDW

The number of positive integers which can be formed by using any number of digits from 0,1,2,3,4,5 without repetition.
a) 1200
b) 1500
c) 1600
d) 1630

How many such pairs of letters there in the word ‘FOREIGN’-, each of which has as many letters between it’s two letters as there are between in the English alphabet?
a) two
b) nil
c) one
d) three

The distance between two cities A and B is 330 km. A train starts from A at 8am and travels toward B at 60 km/hr. Another train starts from B at 9 am and travel towards A at
a) 10 am
b) 10.30 am
c) 11 am
d) 11.30 am

A can do a job in 16 days, and B can do the same job in 12 days. With the help of C, they did the job in 4 days. Then, C alone can do the job in
a) 12 3/5 days
b) 8 3/5 days
c) 10 3/5 days
d) 9 3/5 days

What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
a) 814
b) 820
c) 840
d) 844

If A: B= 5: 7 and B: C= 6: 11 then A: B: C is
a) 55: 77: 66
b) 30: 42: 77
c) 35: 49: 42
d) None of these

By selling an article for Rs. 480, a person loses 20% for what should sell it to make a profit of 20%
a) Rs. 800
b) Rs. 760
c) Rs. 720
d) Rs. 680

If PRADESH is written as 1234567, how will PARAS be written?
a) 13235
b) 13236
c) 13536
d) 14436

The radius of the base and height of a right circular cone are in the ratio 5:12, If the volume of the cone is 314cm³, the slant height (in cm) of the cone will be
a) 12
b) 13
c) 15
d) 17

David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?
a) 19
b) 28
c) 30
d) 37

abca-bcaaab-ca-bbc-a
a) ccaa
b) bbaa
c) abac
d) abba

66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
a) 84
b) 90
c) 168
d) 336

A motor-boat, travelling at the same speed, can cover 25 km upstream and 39 km downstream in 8 hours. At the same speed, it can travel 35 km upstream and 52 km downstream in 11 hours. The speed of the stream is
a) 2 km/hr
b) 3 km/hr
c) 4 km/hr
d) 5 km/hr

If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work?
a) 32 days
b) 48 days
c) 52 days
d) 38 days

In how many ways can 10 examination papers be arranged so that the best and the worst papers never come together?
a) 8*9!
b) 8*8!
c) 7*9!
d) 9*8!

Walking at 3 km per hour, Pintu reaches his school 5 minutes late. If he walks at 4 km per hour he will be 5 minutes early. The distance of Pintu’s school from his house is
a) 1 1/2 km
b) 2 km
c) 2 1/2 km
d) 5 km

If 738A6A is divisible by 11, then the value of A is
a) 6
b) 3
c) 9
d) 1

The first republic day of the India was celebrated on 26th January,1950. It was
a) Monday
b) Wednesday
c) Thursday
d) Friday

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank in:
a) 5 hours
b) 7 hours
c) 8 hours
d) 14 hours

1, 5, 8, 10, 11, ?
a) 3
b) 14
c) 12
d) 11

A person has left an amount of ₹1,20,000 to be divided between his 2 sons aged 14 years and 12 years such that they get equal amounts when each attains 18 years of age. If the amount gets a simple interest of 5% per annum, the younger son’s share at present is
a) ₹ 48,800
b) ₹ 57,600
c) ₹ 62,400
d) ₹ 84,400

Click to comment

### Most Popular

A Gallery of Kanowledge

It is very useful to all competitive exams