Quantitative Aptitude (Numerical Ability)

Q. The simple interest on a certain sum at the end of three years at 5% p.a. is Rs. 1,200. The compound interest on the same sum for the same period at the same rate is (interest compounded yearly) -
1) Rs. 1,800
2) Rs. 1,261
3) Rs. 820
4) Rs. 1,260

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Q. A person marked his goods at a price that would give him 40% profit. But he declared a sale and allowed 20% discount on the marked price. What is the profit percentage of the person in the whole transaction?
1) 12%
2) 32%
3) 30%
4) 20%

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Q. In a circle with radius 5 cm a chord is at a distance of 3 cm from the center. The length of the chord is -
1) 3 cm
2) 7 cm
3) 8 cm
4) 4 cm

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Q. If the difference between 62% and 80% of a number is 198, then the difference between 92% and 56% of the number will be -
1) 1100
2) 3564
3) 396
4) 360

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Q. Two numbers are in the ratio 5 : 7. If the first number is 20, then the second number will be -
1) 8
2) 22
3) 28
4) 18

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Q. What should replace * in the number 94*2357, so that number is divisible by 11?
1) 1
2) 7
3) 8
4) 3

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Q. The mean of first twenty positive even numbers is -
1) 20
2) 18
3) 17
4) 21

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Q. Two variables y and x are related as y = 5x + 4. The arithmetic mean of x is 10. Arithmetic mean of y will be -
1) 50
2) 54
3) 29
4) 46

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Q. The diagonals of a rhombus are 32 cm and 24 cm. Its perimeter will be -
1) 50 cm
2) 60 cm
3) 70 cm
4) 80 cm

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Q. A shopkeeper marks the price of an article 20% above its cost price. He offers some discount on the marked price and gains a profit of 8%. Rate of discount is -
1) 8%
2) 10%
3) 12%
4) 15%

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