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