SSC CGL Tier-2 21-February-2018 Maths

Instructions

For the following questions answer them individually

Question 91

Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

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Question 92

Price of diesel increased from Rs 45/litre to Rs 50/litre. How much should the consumption of diesel be reduced (in %) so as to increase expenditure by only 5%?

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Question 93

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

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Question 94

If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey.

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Question 95

Two bikers A and B start and ride at 75 km/hr and 60 km/hr respectively towards each other. They meet after 20 minutes. How far (in km) were they from each other when they started?

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Question 96

Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

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Question 97

In 2 years at simple interest the principal increases by 8%. What will be the compound interest earned (in Rs) on Rs 10 lakhs in 2 years at the same rate?

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Question 98

If the compound interest for the $$3^{rd}$$ and $$4^{th}$$ year on a certain principal is Rs 125 and Rs 135 respectively, what is the rate of interest (in %)?

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Question 99

A certain bank offers 8% rate of interest on the $$1^{st}$$ year and 9% on the $$2^{nd}$$ year in a certain fixed deposit scheme. If Rs 17,658 are received after investing for 2 years in this scheme, then what was the amount (in Rs) invested?

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Question 100

What is the difference (in Rs) in Compound interest earned in 1 year on a sum of Rs 25,000 at 20% per annum compounded semi-annually and annually?

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