Simple Arithmatic

Arithmetic & Mental Ability – 25

From the given alternatives, select the word which can not be formed using the letters of the given word? EMBOSSMENT

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Which of the following interchange of sign would make the given equation correct? 5+3×8–12:4=3
a) + and /
b) + and –
c) – and /
d) + and x
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A man buys some articles at ₹P per dozen and sells them at ₹ P/8 per piece. His profit percent is
a) 30
b) 40
c) 50
d) 60
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If 3 men or 6 boys can do a piece of work in 20 days, then how many days will 6 men and 8 boys take to do the same work?
a) 5
b) 8
c) 10
d) 6
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From the given alternatives, select the word which can not be formed using the letters of the given word? EMBOSSMENT
a) BOSS
b) TOMB
c) STEM
d) MATS
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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?
a) 196
b) 630
c) 1260
d) 2520
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Choose the correct alternative from the en ones that will complete the series. 9, 16, 25, 36, ?, 64
a) 56
b) 49
c) 80
d) 72
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Choose the word out of the given alternatives. Which cannot be formed from the letters of the word CONSULTATION.
a) CONSTANT
b) NATION
c) SALUTE
d) STATION
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Nikhil is 8 yr younger than his brother Rohan. How old will Rohan be when he is twice as old as Nikhil?
a) 4
b) 6
c) 8
d) 16
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A man has two wives A and B. A is Sunny’s stepmother. How is Sunny related to B?
a) Step-daughter
b) Sister in law
c) Son
d) husband
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If the letters of the word ARROGANCE are interchanged, first and fifth, second and sixth, third and seventh, fourth and eighth and the position of ninth remains unchanged. Then what will be the new arrangement of letter?
a) GANACRROE
b) GANCRAROE
c) GNACORRAE
d) GANCARROE
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Deepak starts walking straight towards East. After walking 75 metres, he turns to the left and walks 25 metres straight. Again he turns to the left, walks a distance of 40 metres straight, again he turns to the left and walks a distance of 25 metres. How far is he from the starting point?
a) 25 metres
b) 50 metres
c) 35 metres
d) 110 metres
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A tradesman sold an article at a loss of 20% if the selling price had been increased by Rs.100 there would have been a gain of 5% the cost of the price of the article was
a) Rs.200
b) Rs.25
c) Rs.400
d) Rs.250
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Ages of A and B are in the ratio of 2:3 respectively. Six years hence the ratio of their ages will become 8:11 respectively. What is B’s present age in years?
a) 18
b) 24
c) 27
d) cannot be determined
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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
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The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:
a) 1
b) 2
c) 3
d) 4
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A train of length 150 m long takes 40.5 seconds to cross a tunnel of length 300 m the speed of the train(in km/hr) is
a) 25 km/h
b) 40 km/h
c) 50 km/h
d) 65 km/h
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In a test, minimum passing percentage for girls and boys are 45% and 60% respectively. A boy scored 767 marks and failed by 313 marks. What are the minimum passing marks for girls?
a) 910
b) 920
c) 840
d) 810
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What is the product of all the numbers in the dial of a telephone?
a) 158480
b) 58480
c) 5450
d) None
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In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is:
a) 5 Kmph
b) 10 kmph
c) 14 Kmph
d) 16 kmph
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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) 8 min
b) 5 min
c) 10 min
d) 14 min
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If an examination 86% of the candidates passed and 224 failed. How many candidate appeared for the exam?
a) 800
b) 1540
c) 1600
d) 3136
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In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength?
a) 1:02
b) 1:03
c) 2:01
d) 3:01
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The present population of a city is 18000. If it increases at the rate of 10% per annum, its population after 2 years will be
a) 10000
b) 20000
c) 21000
d) 217800
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A and B can do a piece of work in 12 days and 15 days respectively. They began to work together but A left after 4 days. In how many more days would B alone complete the remaining work?
a) 20
b) 25
c) 6
d) 5
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Two trains are moving in the opposite direction on parallel tracks at speeds of 64 km/h and 96 km/h respectively. The first train passes a telegraph post in 5 seconds whereas the second train passes the post in 6 seconds. Find the time taken by the trains to cross each other completely.
a) 28/11 s
b) 14/11 s
c) 28/5 s
d) 14/5 s
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