Q.23 If 80 litres of milk solution has 60% milk in it, then how much milk should be added to make milk 80% in the solution?Ans 1. 60 litres2. 50 litres3. 70 litres4. 80 litresCorrect Ans Provided: 4

Q.15 What is the perimeter of a square inscribed in a circle of radius 5 cm?Ans 1.2.3.4.Correct Ans Provided: 3

Q.16 For what value of m will the system of equations 18x-72y+13=0 and 7x-my-17=0 have no solution?Ans 1. 92. 243. 124. 28Correct Ans Provided: 4

Q.17Ans 1. 8%2. 10%3. 12%4. 5%Correct Ans Provided: 1

Q.18 The mode of the following data is __________.13,15,31,12,27,13,27,30,27,28 and16Ans 1. 272. 313. 284. 30Correct Ans Provided: 1

Q.19 Find the value of given expression.3 – (– 6) {– 2 – 9 – 3} ÷ 7{1 + (– 2) (– 1)}Ans 1. – 12. 153. 14. 7Correct Ans Provided: 1

Q.10Ans 1.2.3.4.Correct Ans Provided: 3

Q.11 Mrs. Deepa Devi saves 30% of her salary. If she receives Rs.42,000 per month as her salary, what is her monthly expenditure?Ans 1. Rs.29,4002. Rs.29,2003. Rs.29,1004. Rs.29,300Correct Ans Provided: 1

Q.12 Find the amount (integral value only) if a sum of ₹6,500 is being borrowed at 10% interest per annum for 2 years if interest is compounded half-yearly.Ans 1. ₹.7,9002. ₹.8,1503. ₹.8,2504. ₹.7,650Correct Ans Provided: 1

Q.14 Find the exact value of cos 120°.Ans 1. 12. 03. 0.5 4. –0.5Correct Ans Provided: 4