Class 7 Math Linear Equation and In-equation FM 35 Test

Sorry Question number 11 having insufficient data so, Revised Question is:

Half of herd of deer are grazing in the field and three fourth of the remaining are playing nearby, the rest are drinking water if, number of  deer drinking water is 10, then Find the number of herd of deer? 

9. Two angle of a triangle are in ratio 4:5. if the sum of these angle is equal to third angle than find each angle of the triangle

10. A steamer goes down stream from one port to another in 9 hr, it covers the same distance in upstream in 10 hr. If the speed of the steam is 1 km/hr find the sped of the steamer.

12. The age of A and B are in ratio 5:7, Four year from now the ratio of their age is 3:4, find the present age of B

A sum of Rs. 500 is in the form of notes of denominations of Rs. 5 and Rs. 10. If total number of note is 90, find the number of note each type?