Simple Arithmatic

# Arithmetic & Mental Ability – 31

If day after tomorrow is Saturday, what day was three days before yesterday?

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What would come next in the following number sequence? 2 3 2 3 4 2 3 4 5 2 3 4 5 6 2 3 4 5 6 7 2 3 4
a) 6
b) 5
c) 8
d) 9

The product of 2 numbers is 1575 and their quotient is 9/7. Then the sum of the numbers is
a) 74
b) 78
c) 80
d) 90

The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:
a) 1.2 km
b) 1.8 km
c) 2.4 km
d) 3.6 km

Four men P, Q, R and S reads a book. R reads immediately before S, Q reads after P but before R. Who reads first?
a) P
b) Q
c) R
d) S

Two perpendicular cross roads of equal width run through the middle of a rectangular field of length 80 m and breadth 60 m. If the area of the cross roads is 675 m², find the width of the roads.
a) 10 m
b) 5 m
c) 12 m
d) 11 m

If day after tomorrow is Saturday, what day was three days before yesterday?
a) Wednesday
b) Tuesday
c) Sunday
d) Thursday

A family consists of husband, wife and their three sons and two daughters, three wives of three sons. How many females are in the family?
a) 5
b) 6
c) 7
d) 3

The sum of ages of a son and father is 56 years. After 4 years, the age of father will be three times that of son. What is the age of son?
a) 10 years
b) 12 years
c) 16 years
d) 18 years

The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:
a) 3
b) 4
c) 5
d) 6

In a zoo, there are deers and there are ducks. If the heads are counted, there are 180, while the legs are 448. What will be the number of deers in the zoo?
a) 136
b) 68
c) 44
d) 22

In a row of boys Rajan is 10th from the right and Suraj is 10th from the left. When Rajan and Suraj interchange their positions Suraj will be 27th from the left which of the following will be Rajan’s position from the right?
a) 10th
b) 26th
c) 29th
d) 27th

How many even numbers are there in the following series of numbers each of which is preceded by an odd number but not followed by an even number 5 3 4 8 9 7 1 6 5 3 2 9 8 7 3 5
a) 1
b) 2
c) 3
d) 5

A man travels 4 km due North, then travels 6 km due east and travels 4 km due north. How far is he from the starting point?
a) 6 km
b) 14 km
c) 8 km
d) 10 km

A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:
a) 12 cm3
b) 15 cm3
c) 16 cm3
d) 20 cm3

A car travelling with of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
a) 30 Km/hr
b) 50 Km/hr
c) 70 Km/hr
d) 35 Km/hr

What is 90% of 90% of 100?
a) 63
b) 72
c) 81
d) 90

If Tuesday falls on the fourth of the month, then, which day will fall three days after the 24th
a) Monday
b) Tuesday
c) Thursday
d) Friday

A certain number of men can finish a piece of work in 100 days. If however, there were 10 men less, it would take 10 days more for the work to be finish. How many men were there originally?
a) 100
b) 82
c) 75
d) 110

How many two-digit numbers satisfy this property.: The last digit (unit”s digit) of the square of the two-digit number is 8 ?
a) 1
b) 2
c) 3
d) None of these

A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?
a) 240m
b) 250m
c) 260m
d) 270m

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

The average of 11 numbers is 10.8. If the average of first six be 10.4 and that of the last six is 11.5. Then the middle ie 6th number is:
a) 10.3
b) 12.6
c) 13.5
d) 15.5

If a triangle with base 8 cm has the same area as a circle with radius 8cm, then the corresponding altitude (in cm) of the triangle is
a) 12 π
b) 20 π
c) 16 π
d) 32 π

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:
a) 74
b) 94
c) 184
d) 364

a) DFIM
b) DHMR
c) DGKP
d) DPGK

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