STD V / STD VI MAT Guess paper

A few MAT guess question

1. A number m is divided by 5 and added to 8. The result  is equal to 3m subtracted from 4. Find the value of m.
2. 1100 boys and 700 girls sit for an exam. 42% of the boys and 30% of the girls pass. The percentage of the total who failed is .....................
3. The value of 2^-4 + 2^-5 + 2^-6 =.........
4. If the angles of a triangle are in the ratio of 4:5:6, then the largest angle measures.............
5. The length and the breadth of a park are in the ratio of 5:4. If the length were 10% more and the breadth were 10% less, then the area would have decreased by 1620 m2. Find the original length of the park.
6. 30 men and 20 women attend a convocation. What was the ratio  of the women to the total number of persons at the convocation?
7. one cup of milk has the same amount of Calcium as 16 oranges. 2 oranges have the same amount of Calcium as 4 eggs. how many eggs have the same amount of Calcium a one cup of milk?
8. In a polygon, the sum of all exterior angles is ..................
9. Find the value of 42 x 8 ÷ ½ + ²/₃  
10. Nanu's age in 20 years will be 4 less than 3 times her age now. What is the age of Nanu?
11. Sonar is a device used to measure the time taken by sound waves from a ship to reach the bottom of the ocean and then back to the ship. The speed of sound in water is 1.5 km/ sec. If the ship has a sonar sounding of 6 secs, what is the approximate depth of the ocean floor blow the ship?
12. When nanu purchased 6 kg of rice, she was short by Rs 6. When she purchased 8 kg of same rice, she was short by Rs 14. how much money did nanu have?
13. A Tank can hold 32 litres. It is 4/5 full of oil. One quarter of the oil is transferred to a vat. How much oil is left in the tank?
14. Represent in decimal system: 8 + 2²³/₂₅ + ⁸/₁₀₀₀      
15. The difference in the area of a large square and the area of a small square is 56 cm2. If the area of the smaller square is 25 cm2, then find the perimeter of the larger square.
16. A number when rounded of to its nearest hundred and its nearest thousand is 235000. Then the smallest possible value of such a number is?
17. Represent in number: eight million 24 thousand, four hundred and eighty six.
18. Nanu saves Rs 20 of her pocket money every day. Her father saves Rs 500 per day. If both of them save their money for 20 days, then what is the difference in their saving?
19.