The above bar graph shows the production of three grains P, Q, R in four
states A, B, C, D. What is the percentage (up to one decimal place) of
state B in the total production of grain R?
Which of the following statements are true/false about the speed of
sound in different mediums at 25°C.
A. In water (sea), the speed of sound is 1531 m/s.
B. In ethanol, the speed of sound is 1200 m/s.
Sanju has Rs. 940 in the form of coins. Of these, 40% of coins are of Rs. 5. 20% coins are of Rs. 10. 30% coins are of Rs. 2 and the remaining coins are of Rs. 1. How many coins of Rs. 5 are there?