UNIT TEST (190603)

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CLASS 10
l The angles of a triangle are x, y and 40°. The difference between the two angles x and y is 30°. Find x and y.
l Two years ago,Salim was thrice as old as his daughter and six years later,he will be four years older than twice her age. How old are they now?
l Two numbers are in the ratio 5 : 6. If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5. Find the numbers.
l A two-digit number is obtained by either multiplying the sum of the digits by 8 and then subtracting 5 or by multiplying the difference of the digits by 16 and then adding 3. Find the number
l When you add two numbers and the number obtained by reversing the order of its digits is 165. If the both numbers differ by three, find the number.

CLASS 9
l The angles of a triangle are x, y and 40°. The difference between the two angles x and y is 30°. Find x and y.
l What is the freezing point of water in Fahrenheit and kelvin.
l Name the parts of cell (1)kitchen of cell(2) store food in plant(3)suicidal bag(4)outer membrane of plant cell (5) outer membrane of animal cell (6) contains DNA (7)carry genetic material (8) jelly substance in cell
l If sum of two number is 250 and their difference is 10 find those two number.
l Is it possible to construct a triangle with lengths of its sides as 9 cm, 7 cm and 17 cm? Give reason for your answer.
l Prove that the sum of the three angles of a triangle is 180°.

CLASS 8
l Two numbers are in the ratio 5 : 6. If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5. Find the numbers.
l The angles of a triangle are x, y and 40°. The difference between the two angles x and y is 30°. Find x and y.
l The sum of three consecutive even natural numbers is 48. Find the greatest of these numbers.
l The age of A is five years more than that of B. 5 years ago, the ratio of their ages was 3:2. Find their present ages
l Why Marble tiles is cooler then wooden tiles ?
l What is the freezing point of water in Fahrenheit and kelvin.

CLASS 7
l Two numbers are in the ratio 5 : 6. If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5. Find the numbers.
l The angles of a triangle are x, y and 40°. The difference between the two angles x and y is 30°. Find x and y.
l The sum of three consecutive even natural numbers is 48. Find the greatest of these numbers.
l The age of A is five years more than that of B. 5 years ago, the ratio of their ages was 3:2. Find their present ages
l Why Marble tiles is cooler then wooden tiles ?
l What is the freezing point of water in Fahrenheit and kelvin.

                                                


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