Part C - Elementary Mathematics
Raj has ₹1,612 with him. He divided it amongst his sons Varun and Ashish and asked them to invest it at 8% rate of interest compounded annually. It was seen that Varun and Ashish got same amount after 18 and 19 years respectively. How much (in ₹) did Raj give to Varun?
The fourth proportional to 5, 35 and x is 84, find the value of x.
The marks in Mathematics and English of S are in proportion. Last year when he got 60 marks in Mathematics, he secured 75 marks in English. If his marks in English this year are 60, then his Mathematics marks are _____.
A and B can do a piece of work in 25 days and 30 days, respectively. They worked together for 6 days, after while B was replaced by P and the work was finished in the next 8 days. How long will P alone take to complete the same work?
25 \( \frac{3}{4} \) days
15 \( \frac{1}{2} \) days
33 \( \frac{1}{3} \) days
30 \( \frac{2}{5} \) days
P can complete a round of circular track in 1 minute and 30 seconds while Q can complete a round in 45 seconds. If they start moving from the same point and move in opposite directions, then they meet after _____ seconds.
Evaluate: (-9) - (-60) ÷ (-12) + (-3) × 7
What is the highest number between 4000 and 5000, which when divided by 12, 16 and 24 would leave the remainder 4?
There are 81 members in group A, 29 members in group B and 70 members in group C. All the members of these groups went to a restaurant. The average amount spent on each member of group A, B and C is ₹467, ₹117 and ₹378, respectively. The total average amount (in ₹) spent per member is:
If the curved surface area of a right circular cylinder of height 12 cm is 96π cm², then its radius is:
The LCM of 36, 45, 465 and 310 is: