Magic of Maths — Maths STD 5 — Question

Throw the ring on the game board below and count the different place value symbols that fall completely within then ring to form numbers.
(Direction: only those pictures will be counted which comes completely in ring.)

Multiply using Nikhilam sutra (base 10 or 100):
9 x 7

A farmer has a rectangular field of 200 meter long and 150 meter wide. He wants to divide the field into smaller plots of size 10m x 5 m for growing different crops. Find the total number of plots that can be divided and the total length of the fence required to enclose each plot.

Find the common multiples of 2, 3 and 4 in numbers up to 60.

In a town, 4054 children were given polio drops on the first day. On the second day, 158 fewer children were given the drops than on the first day.
(i) How many children were given the medicine on the second day?
(ii) How many children in total were given the medicine?

In Dholakpur village, Sports competitions were organized. The first competition was a race in which a rabbit, a cat and a mouse took part. As soon as the race started, rabbit took 4 - 4 jumps, cat took 3-3 jumps and mouse took 2-2 jumps and started running. In this race, the rabbit ran fast and reached the destination first and got the first position. The cat got the second position and the mouse got the last position.



To complete the race along the given trail, race the mouse, cat and rabbit to reach 60 to finish the race.
Q.1. On which numbers did the mouse jump?
2, 4, 6, __________
Q.2. How many jumps will the rabbit have to make to reach 32?
Q.3. Who among the three jumped on 27?
Q.4. On which numbers did the rabbit jump?
4, 8, 12, __________

Explain the concept of right angle.

The distance from Dholpur to Bharatpur is 90 km. Rakesh covers this distance by car in exactly 2 hours 12 minutes and Firoz covers this distance by motorcycle in 3 hours 8 minutes. How much more time did Firoz take than Rakesh?

Multiply with nikhilam formula (sutra):
95 x 105