WINSPIRE EMPOWERING YOUTH Issue 6 Volume 3 | Page 17

38

SPEED MATH

Calculation speed plays a very important role in almost all competitive examinations. Some people have natural ability to do calculations fast but, those who do not have a good calculation speed need not worry. Winspire brings you Speed Test to develop good calculation speed in short period of time. All you need to do is spend just 30 minutes once a month on calculation practice and you will find the difference in your calculation speed.

Time: 30 Minutes
1 811.81 + 88.11 + 0.88 + 1.88 + 8 =?
2 434.43 + 43.34 + 3.44 + 4 +
0.33 + 0.1 =?
3 8451 + 793 + 620 –? = 6065 + 713
4 69.008 % of 699.998 + 32.99 % of 399.999 =?
5 1548.45 + 3065.15 ÷ 15.058 =?
6 4374562 * 64 =? * 7777
7 3237 ÷ 31 * 15 =? * 17
8 156 + 16 * 1.5 – 21 =?
9 3463 × 295 – 18611 =? + 5883 •
10( 1243 + 654 + 342 +?) ÷( 864 + 468 + 124) = 1.61
11 572 ÷ 26 x 12 – 200 = 2?
12 103 × 1003 × 9999 + 1 = 10?
13( 16) 2 +( 27) 2 – 24 =? 2
14
242 – 63 + √625 + 56 =? 2
15
( 5 / 22) of 2706 + 10 = 5?* 5?
16
What percentage of numbers from 1
to 70 have 1 or 9 in the unit’ s digit?
17
If 20 % of a = b, then b % of 20 is the
same as:? % of a.
18
What is 15 % of 80?
19
45 % of what is 9?
20
What percent of 26450 is 4761
Arrange them in ascending Order
21
17 / 28, 10 / 7, 13 / 21, 11 / 14
Arrange them in Descending Order
22
13 / 15, 9 / 14, 7 / 18, 15 / 22
Find the LCM & HCF of the following numbers
23
54, 44, 18
24
38, 55, 30
25
20, 50, 12
WINSPIRE: Empowering youth | March, 2017