Simple Arithmatic

Arithmetic & Mental Ability – 21

If HEALTH is written as GSKZDG, then how will NORTH be written in that code?

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If y of x% = 20 then x of y% =
a) 40
b) 20
c) 20%
d) 20x
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Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?
a) (5/11)
b) (6/11)
c) (7/11)
d) (8/11)
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If South East become North, North East become West and so on, then what will West become?
a) North East
b) South East
c) North West
d) None of the above
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A fort is provisioned for 32 days for some soldiers. After 4 days, a reinforcement of 150 soldiers arrived and the food will now last for 21 days only. How many soldiers were there in the fort in the beginning?
a) 350
b) 250
c) 450
d) 550
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If L stands for +, M stands for -, N stands for x, P stands for ÷ then 14 N 10 L 42 P 2 M 8 =…..
a) 153
b) 216
c) 248
d) 25
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If HEALTH is written as GSKZDG, then how will NORTH be written in that code?
a) OPSUI
b) IUSPO
c) FRPML
d) GSQNM
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The smallest number of 5 digits begining with 3 and ending with 5 is
a) 30015
b) 31005
c) 30005
d) 50003
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The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is:
a) 6.06%
b) 6.07%
c) 6.08%
d) 6.09%
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Nisar and Vinod want to visit the museum after their exam. Nisar's exam finished on April and he is leaving for a holiday on 12th April. Vinod's exam will be over by 10 th April after which he is free. On which of the following dates can the two definitely meet
a) 10th April
b) Either 10th or 11th of April
c) 12th April
d) Either 11th or 12th of April
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Ecology is related to environment in the same way as Histology is related to
a) Fossils
b) History
c) Tissues
d) Hormones
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Simran started a software business by investing Rs. 50,000. After six months, Nanda joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was Simran's share in the profit?
a) Rs. 9,423
b) Rs. 10,250
c) Rs. 12,500
d) Rs. 10,500
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If 10 men can do a piece of work in 12 days working 7 hours a day then how many hours a day must 6 men work to do the same work in 14 days.
a) 8
b) 10
c) 12
d) 6
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There are 35 students in a class. Suma ranks third among the girls in the class. Amit ranks 5th amongs the boys in the class. Suma is one rank below Amit in the class. No two students hold the same rank in the class. What is Amit’s rank in the class?
a) 6
b) 5
c) 8
d) 7
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Find the number of triangles which can be formed by joining the angular points of a polygon of 8 sides as vertices.
a) 56
b) 24
c) 16
d) 8
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A man, a woman and a boy can complete a work in 20 days, 30 days and 60 days respectively. How many boys must assist 2 men and 8 women so as to complete the work in 2 days?
a) 8
b) 12
c) 4
d) 6
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By how much is two fifth of 200 greater than three-fifth of 125?
a) 15
b) 3
c) 5
d) 30
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The marked price of an article is 20% more than its cost price. A discount of 20% is given on the marked price. In this kind of sale, the seller bears
a) no gain, no loss
b) 4% loss
c) 4% gain
d) 8% gain
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A and B can do a work in 24 days. A alone can do it in 40 days. In how many days can B do at alone?
a) 60
b) 120
c) 80
d) 96
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A train of length 150 m takes 10 seconds to pass over another train 100 m long coming from the opposite direction. If the speed of the first train be 30 kmph, the speed of the second train is
a) 60 km/h
b) 65 km/h
c) 50 km/h
d) 55 km/h
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Find out the wrong term 25, 36, 49, 81, 121, 169, 225
a) 36
b) 49
c) 169
d) 225
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2 men and 1 woman together can complete the piece of work in 14 days while 4 women and 2 men together can do it in 8 days. If a man gets Rs. 600 per day, how much should a woman get per day
a) Rs. 400
b) Rs. 450
c) Rs. 480
d) Rs. 360
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The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. The time is:
a) 3 months
b) 4 months
c) 6 months
d) 8 months
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Three types of wheat of Rs. 1.27, Rs. 1.29 and Rs. 1.32 per kg are mixed together to be sold at Rs. 1.30 per kg. In what ratio should this wheat be mixed?
a) 1:02:03
b) 2:02:03
c) 2:03:01
d) 1:01:02
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The positions of how many digits in the number 351462987 will remain unchanged after the digits are rearranged in ascending order within the number
a) one
b) two
c) three
d) none
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Select the related pair that has the same relationship as the given pair of words Genuine : Authentic
a) Mirage : illusion
b) Ocean : water
c) Breeze : Cyclone
d) Fear : Threat
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