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Mathematics Quiz For RRB NTPC : 14th January 2020 of Simple interest, ratio and Percentage

In Today's Maths Quiz we are providing latest pattern questions based on the topics of Simple interest, ratio and Percentage

Q1. 117²+83²= ?
(a) 20698
(b) 20578
(c) 20798
(d) 20268

Q2. The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:
(a) 12
(b) 16
(c) 24
(d) 48

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Q3. The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:
(a) 4.37%
(b) 5%
(c) 6%
(d) 8.75%

Q4. If a sum of money at simple interest doubles in 12 years, the rate of interest per annum is

Q5. 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

Q6. By selling 100 pencils, a shopkeeper gains the selling price of 20 pencils. His gain per cent is
(a) 15%
(b) 20%
(c) 22%
(d) 25%

Q7. If 30% of (x + y) = 50% of (x – y), then x : y = ?
(a) 4 : 1
(b) 7 : 5
(c) 7 : 3
(d) 7 : 8

Q8. The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is:
(a) 70 km/hr
(b) 75 km/hr
(c) 84 km/hr
(d) 87.5 km/hr

Q9. 0.04×0.0162 is equal to:

Q10. Find the area of a right-angled triangle whose hypotenuse and base are 13 and 5 respectively?
(a) 26
(b) 24
(c) 18
(d) 30

Solutions:

 

 

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