1. Vinita bought a watch with 24% discount on the selling price. If the watch cost her Rs.779. What is the original selling price of the watch?

Rs.1000

Rs.950

Rs.1040

Can’t be determined

None of these

2. Shyam invests an amount of Rs.5690 at the rate of 5% per annum for 3 years. What approximate amount of compound interest will be obtain at the end of 3 years?

Rs.854

Rs.799

Rs.843

Rs.787

Rs.897

3. Samantha, Jessica and Roseline begin to job around a circular stadium. They complete their revolutions in 84 s, 56 s and 63 s respectively. After how many seconds will they be together at the starting point?

336

504

252

Can’t be determined

None of these

4. Ashmita invests an amount of Rs.9535 at the rate of 4% per anumm to obtain a total amount of Rs.11442 on simple interest after a certain period. For how many years did she invest the amount to obtain the total sum?

10 years

2 years

5 years

4 years

None of these

5. The cost of 13 kg of sugar is Rs.195. The cost of 17 kg of rice is Rs.544 and the cost of 21 kg of wheat is Rs.336. What is the total cost of 21 kg of sugar, 26 kg of rice and 19 kg of wheat?

Rs.1461

Rs.1306

Rs.1500

Rs.1636

None of these