Question

1. What percent of an hour is 12 minutes? (A)10% (B) 20% (C) 12% (D) 6%
2. The total number of students in a school increased from 1800 to 2016.The percentage increase is (A)10% (B)11% (C) 12% (D)13%
3. Asma sold two books for ₹600 each, gaining 20% on one book and losing 20% on the other. Her Overall loss or gain percent is (A)Loss 8% (B)Profit 6% (C)Loss 4% (D)Profit 4.5%
4. The value of (52 + 122) is equal to (A)132 (B)172 (C)142 (D) 162
5. Cube root of 42875 is (A)35 (B)25 (C) 15 (D)20
6.Which of the following is a perfect cube (A)1525 (B) 1728 (C) 1458 (D)3993
7.Find the value of √27 3 + √0.008 3 + √0.064 3 (A) 6.3 (B) 3.64 (C) 6.36 (D) 3.6 8. If (15)3 = 3375, the value of √3.375 3 (A) 1.5 (B) 2.5 (C) 2 (D) 3.6
9. The value of , if √500 3 = 10 (A) 1 (B) 2 (C) 3 (D) 4
10. The volume of a cube is 216 3 .The surface area of each of the faces of the cube is ( A) 62 (B) 36 2 (C) 12 2 (D) 92
11..Find the compound interest on a sum of ₹ 7500 ,at 4 % per annum for 2 years ,compounded annually.
12. Find the compound interest on a sum of ₹ 80000 , at 10 % per annum ,for 18 months , compounded half yearly.
13. The simple interest on ₹ 1500 at 7 % per annum for a certain period is ₹ 210. Find the time period.

Plz give proper answer with formula​

Answer 1

Answer:

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