Simple Arithmatic

Arithmetic & Mental Ability – 2

The smallest number that must be subtracted from 1000 to make the resulting number a perfect square is

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Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
a) (1/2)
b) (2/5)
c) (8/15)
d) (9/20)
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A motor-boat can travel at 10 km/hour in still water. It travelled 91 km downstream in a river and then returned to the same place, taking altogether 20 hours. Find the rate of flow of river.
a) 3 km/hour
b) 4 km/hour
c) 2 km/hour
d) 5 km/hour
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If A's salary is 50% more than that of B. Then how much percent is B's salary is less than that of A's salary?
a) 10.33%
b) 33.33%
c) 18.20%
d) 52.33%
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The smallest number that must be subtracted from 1000 to make the resulting number a perfect square is
a) 37
b) 38
c) 39
d) 40
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A clock strikes 5 taking 8 seconds. In order to strike 9 at the same rate the time taken is
a) 16 seconds
b) 12 seconds
c) 14 seconds
d) 18 seconds
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A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is :
a) 450 paise
b) 500 paise
c) 570 paise
d) 540 paise
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Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?
a) Rs. 8600
b) Rs. 8620
c) Rs. 8820
d) None of these
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A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
a) 220 Kmph
b) 200 Kmph
c) 120 Kmph
d) 230 Kmph
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An amount is divided among P, Q, R in the ratio 2:5:7. If P's share is Rs.3000 then the difference between the shares of Q and R
a) 3000
b) 3500
c) 1000
d) 1500
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In certain code CHANDIGARH is written as DNAHCHRAGI. How is SIKKIM written in that code?
a) TJKJKM
b) TJLLJN
c) MIKKIS
d) KISMIK
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Arrange the words in alphabetical order and which will come in the middle? Electric, Elector, Elect, Electrode, Electron
a) Elector
b) Elect
c) Electric
d) Electrode
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Arun, Kamal and Vinay invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. Arun left after six months. If after eight months, there was a gain of Rs. 4005, then what will be the share of Kamal?
a) Rs. 890
b) Rs. 1335
c) Rs. 1602
d) Rs. 1780
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In a metro train there are 600 passengers out of which 34% are females. Fare of each male is Rs. 20 and each female's fare is 25% less than each male. What is the total revenue generated by all the passengers together?
a) Rs. 10880
b) Rs. 10980
c) Rs. 10740
d) Rs. 10680
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Find the odd-one from the following
a) Kitten
b) goat
c) calf
d) foal
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The first republic day of the India was celebrated on 26th January,1950. It was
a) Monday
b) Wednesday
c) Thursday
d) Friday
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The product of two numbers is 120 and the sum of their squares is 289 the sum of two numbers is
a) 23
b) 7
c) 13
d) 169
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The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:
a) 279
b) 283
c) 308
d) 318
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By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at:
a) Rs. 80
b) Rs. 96
c) Rs. 106
d) Rs. 108
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What is the day on 1st January 1901?
a) Monday
b) Wednesday
c) Sunday
d) Tuesday
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In a 200 metres race A beats B by 35 m or 7 seconds. A”s time over the course is:
a) 40 sec
b) 47 sec
c) 33 sec
d) None of these
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A is 50% as efficient as B. C does half of the work done by A and B together. If C alone does the work in 40 days, then A, B and C together can do the work in
a) 15 1/3 days
b) 13 1/3 days
c) 14 1/3 days
d) 12 1/3 days
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A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?
a) 2.4 km
b) 2.5 km
c) 3 km
d) 3.6 km
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Which is the least number when it is divided by 7, 13 and 28 the remainder becomes 6
a) 365
b) 370
c) 376
d) 388
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A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
a) 10%
b) 10.08%
c) 20%
d) 28%
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If simple interest of a certain amount of money for three years at the rate of 14% per annum in Rs. 235.20. What is the amount
a) Rs. 480
b) Rs. 560
c) Rs. 650
d) Rs. 720
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