UP SI MATHS QUIZ-33

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Question 1:

$\{39-(19-44)\} \div\{-4 \times 3-(-4)\}=?$

Question 2:

Two numbers are in the ratio 5 : 7. If 30 is added to 10% of the smaller number then the number obtained is 15 less than 25% of the larger number then the smaller number is:

Question 3:

A shopkeeper wanted to sell ₹ 3,000 worth of products. He gave two options $-$ giving three successive discounts of $10 \%$ each, or giving a single discount of $30 \%$. If a buyer chooses the former option how much extra/less does he pay as compared to the second option?

Question 4:

A batsman scores 87 runs in his seventeenth innings which increases his batting average by 3 runs. Find his run average after seventeen innings.

Question 5:

On simple interest a sum of ₹640 becomes ₹832 in 2 years. What will ₹860 become in 4 years at the same rate of simple interest?

Question 6:

The present age of Shivani and anshu is 6:7 and 36 years ago this ratio was 12:17. Find the sum of their present ages.

Question 7:

A mixture contains wine and water in the ratio 5 : 1. On adding 10 litre of water, the ratio of wine to water becomes 5 : 3. The quantity of wine in the mixture is ?

Question 8:

Two trains start from places A and B, respectively, and travel towards each other at the speeds of 60 km/h and 50 km/h, respectively. By the time they meet, the faster train has travelled 110 km more than the slower train. What is the distance between A and B ?

Question 9:

Kelvin and Kim can together finish a work in 25 days. They worked together for 15 days and then Kim left. After that, Kelvin finished the remaining work in 12 days. In how many days, can Kelvin alone finish the work?

Question 10:

A sphere of radius $9 \mathrm{~cm}$ is moulded to form a cylinder of radius $3 \mathrm{~cm}$. Find the height of the cylinder.