1. Oxygen liberated during photosynthesis is coming from
2
2 The part of the stem where the leaf is attached
7
3. What sensory organ of the human body consists of a visible part called the crown and an unseen portion called the root?
9
4. Which structure of the eye is the most sensitive but contains no blood vessels?
16
5. What is the square root of 144?
19
6 What is three-fifths of 50?
23
7. Find the greatest number that will divide 43, 91 and 183 to leave the same remainder in each case.
25
8. The greatest number of four digits which is divisible by 15, 25, 40 and 75 are:
29
9. The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:
34
10 . Three numbers are in the ratio of 3: 4: 5 and their L.C.M. is 2400. Their H.C.F. is:
37