Simple Arithmatic

Arithmetic & Mental Ability – 13

The LCM of two numbers is 864 and HCF is 144. If one of the number is 288 The other number is

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A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:
a) Rs. 12
b) Rs. 15
c) Rs. 18
d) Rs. 21
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The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. The present worth is:
a) Rs. 480
b) Rs. 520
c) Rs. 600
d) Rs. 960
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In a school 40% of the students play football and 50% play cricket. If 18% of the students neither play football nor cricket, the percentage of the students playing both is:
a) 40%
b) 32%
c) 22%
d) 8%
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abca-bcaaab-ca-bbc-a
a) ccaa
b) bbaa
c) abac
d) abba
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The LCM of two numbers is 864 and HCF is 144. If one of the number is 288 The other number is
a) 432
b) 576
c) 1296
d) 144
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In order to obtain an income of Rs. 650 from 10% stock at Rs. 96, one must make an investment of:
a) Rs. 3100
b) Rs. 6240
c) Rs. 6500
d) Rs. 9600
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Father's age is thrice the sum of the ages of his two children after 5 years his age will be twice the sum of their ages. How old is the father now?
a) 55 years
b) 45 years
c) 50 years
d) 40 years
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The sum and product of two numbers are 13 and 40 respectively. The sum of their reciprocals is
a) 1/40
b) 4/40
c) 13/40
d) 30/40
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Pointing to Veena in the photograph Vishnu said “She is the daughter of my grand father's only son”. How is Veena related to Vishnu?
a) sister
b) brother-in-law
c) son
d) mother
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A man covers a distance on scooter. Had he moved 3kmph faster he would have taken 40 min less. If he had moved 2kmph slower, he would have taken 40min more. The distance is.
a) 30 km
b) 40 km
c) 45 km
d) 50 km
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If a = 4/5 of B and B = 5/2 of C, then the ratio of A : C is
a) 1:2
b) 2:1
c) 2:3
d) 1:3
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Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
a) 12 min
b) 15 min
c) 25 min
d) 50 min
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A train 700 m long is running at 72kmph. If it crosses a tunnel in I minute, the length of the length of the tunnel is
a) 600m
b) 650m
c) 500m
d) 550m
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What number must be added to 6, 16 and 8 to get an average of 13?
a) 22
b) 25
c) 20
d) 18
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An man bought an old typewriter for Rs. 1200 and spent Rs. 200 on its repairs. He sold it for Rs. 1680. His profit per cent is
a) 15%
b) 18%
c) 20%
d) 22%
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An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:
a) 2%
b) 2.02%
c) 4%
d) 4.04%
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Five girls are sitting in a row. Rashi is not adjacent to Sulekha or Abha. Anuradha is not adjacent to Sulekha. Rashi is adjacent to Monika. Monika is at the middle in the row. Then, Anuradha is adjacent to whom out of the following
a) Rashi
b) Abha
c) Sulekha
d) Monika
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A sum of money doubles itself in 5 years, the number of years it would triples itself is:
a) 10 years
b) 15 years
c) 20 years
d) 25 years
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The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is:
a) 30º
b) 45º
c) 60º
d) 90º
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In what time will a train 100 meres long cross an electric pole, if its speed is 144 km/hr
a) 12.5 s
b) 8.5 s
c) 10.5 s
d) 2.5 s
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Potato: Carrot:: Raddish: ?
a) Tomoto
b) Spinach
c) Sesame
d) Groundnut
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Find the compound interest on Rs. 2000 for 2 years at 15% per annum compounded annually
a) 645
b) 735
c) 900
d) 1000
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If x means +, + means ÷, – means x and ÷ means – then 6×4-5+2÷1=…..
a) 10
b) 11
c) 12
d) 15
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The market value of a 10.5% stock, in which an income of Rs. 756 is derived by investing Rs. 9000, brokerage being 1/4%, is:
a) Rs. 108.25
b) Rs. 112.20
c) Rs. 124.75
d) Rs. 125.25
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If Tuesday falls on the fourth of the month, then which day will fall three days after the 24th?
a) Monday
b) Thursday
c) Tuesday
d) Wednesday
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