Simple Arithmatic

# Arithmetic & Mental Ability – 3

One side of a rectangular field is 4 metres and its diagonal is 5 metres. The area of the field is

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1, 3, 1, 9, 1, 81, 1 ?
a) 4
b) 1
c) 243
d) 6561

A can do a piece of work in 7 days of 9 hours each, and B can do it in 6 days of 7 hours each. How long will they take to do it, working together 8 2/5 hours a day?
a) 2 2/3 days
b) 2 days
c) 3 1/3 days
d) 3 days

MD : 52:: ZB: …..
a) 28
b) 52
c) 48
d) 24

n a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
a) 1 Hour
b) 2 Houe
c) 4 Hour
d) 6 Hour

Some articles were brought at 6 for Rs. 5 and sold at 5 for Rs. 6 gain is
a) 5%
b) 6%
c) 30%
d) 44%

A clock is set right at 8 AM. The clock gains 10 min in 24 hours. What will be the right time when the clock indicate 1 pm on the following day
a) 11.40 pm
b) 12:48 pm
c) 12.00 pm
d) 10:00 pm

A question paper has two parts, A and B, each containing 10 questions. If a student has to choose 8 from part A and 5 from part B, in how many ways can he choose the questions?
a) 11340
b) 12750
c) 40
d) 320

One side of a rectangular field is 4 metres and its diagonal is 5 metres. The area of the field is
a) 12m2
b) 15m2
c) 20m2
d) 415m2

A watch gains uniformly is 2 min slow at 10 am on Wednesday and is 2 1/2 min fast at 1 pm the following day. When was it correct
a) 10.30 pm Wednesday
b) 9.15 pm Wednesday
c) 10.45 pm Wednesday
d) 10 pm Wednesday

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
a) 12
b) 10
c) 22
d) 33

An express train traveled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km.. How long did it take to reach its destination 600 km from the starting point?
a) 6 hrs 30 min
b) 6 hrs 49 min
c) 6 hrs 45 min
d) 6 hrs 21 min

A and B enter into a partnership with capitals 4:5, and at the end of 8 months, A withdraws. If they receive profits in the ratio 8:15, find how long B’s capital was used?
a) 4 months
b) 8 months
c) 10 months
d) 12 months

In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less than B. A's speed is:
a) 5 km/h
b) 8 km/h
c) 10 km/h
d) 15 km/h

A certain number of men complete a piece of work in 60 days. If there were 8 men more, the work could be finished in 10 days less. How many men were originally there?
a) 20 men
b) 30 men
c) 40 men
d) 50 men

Find the set of numbers from the alternative set that is similar to the given (63, 49, 35)
a) 72, 40, 24
b) 72, 48, 24
c) 64, 40, 28
d) 81, 63; 45

In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 140 m. Then, A wins by:
a) 60 m
b) 40 m
c) 20 m
d) 10 m

A reduction of 25% in the price of sugar enables a man to buy 7½ kg more sugar for ₹360. The original price per kg of sugar was
a) ₹ 16
b) ₹ 18
c) ₹ 20
d) ₹ 25

If the cost price of 30 pens is equal to selling price of 24 pens. Profit percentage is
a) 10%
b) 20%
c) 25%
d) 16%

The positions of how many digits in the number 321465987 will remain same when the digits are arranged in ascending order?
a) None
b) One
c) Two
d) Three

A boy goes to his house at a speed of 3km/hr and returns at a speed of 2km/hr. If he takes 5 hours in going and coming, the distance between his house and school is
a) 6km
b) 5km
c) 5.5km
d) 6.5km

A, B, C rent a pasture. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 175, how much must C pay as his share of rent?
a) Rs. 45
b) Rs. 50
c) Rs. 55
d) Rs. 60

Instead of multiplying a number by 0.72, a student multiplied it by 7.2. If his answer was 2592 more than the correct answer, then the original number was
a) 400
b) 420
c) 500
d) 560

If all the letters in the word ARGUMENT are rearranged in alphabetical order and substituted by the letter immediately following it in English alphabet what will be the new arrangement of letters
a) BFHNOSUV
b) BFHONSWV
c) BFHNOUSV
d) BFHNOQUV

Choose the pair similar to the given pair – Necklace : Adornment
a) Medal : Decoration
b) Bronze : Medal
c) Scarf: Dress
d) Window: House

……… : ALKLO :: WOULD: TLRIA
a) BLOCK
b) BARGE
c) CONES
d) DONOR

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