Find the result of subtracting the sum of all integers between 10 and 20 from the sum of all integers from 10 to 20.
Q.2
Angles of a linear pair are in the ratio 8 : 1. What is the degree of measure of both angles?
Q.3
What is the number of solid spheres of radius 1/2 cm, which may be formed from a solid sphere of radius 2 cm?
Q.4
ΔABC and ΔDEC are the right triangles with ∠B = ∠E = 90°, find BE.
Q.5
A fruit seller bought a basket containing 2050 oranges out of which 41 oranges were rotten. What percentage of oranges were rotten?
Q.6
Solve: 1601 × 198 ÷ 49 – 1399 + 3878 = ?
Q.7
What will be the area of a circle with circumference equal to 88 cm?
Q.8
Study the pie chart carefully to answer the following question: What was the approximate average number of passengers in Train-S, Train-M, and Train-L together?
Q.9
If a square is inscribed in a circle, find the ratio of the area of the circle and the square.
Q.10
Study the information carefully and answer the question given beside. Out of 200 people who attended an office party 100 had Ice-cream, 120 had cold drink, 80 had cake and 10 had none of these three. 100 people had exactly one of three items.
How many people had exactly two of the three items?
