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What approximate value should come at the place of question mark in the following questions?
35.9% of 499.99 – 4.001% of 1600 + 24.9% of 500.01 = ?
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35.9 % of 499.99 – 4.001% of 1600 + 24.9% of 500.01 = ?
=> 36% of 500 – 4% of 1600 + 25% of 500 = ?
=> 36/100 x 500 – 4/100 x 1600 + 25/100 x 500 = ?
=> 180 – 64 + 125 = ?
=> 241 = ?
56.05 x 40.99 – 38.96 x 5.003 + 5.986 = ?
=> 56 x 41 – 39 x 5 + 6 = ?
=> 2296 – 195 + 6 = ?
=> 2107 = ?
(66.03)2 – (54.99)2 = ? – (72.21)2
=> (66)2 – (55)2 = ? – (72)2
=> 4356 – 3025 + 5184 = ?
=> 6515 = ?
√2303.99 x 24.967 – 54.01 x 9.879 = ?
=> √2304 x 25 – 54 x 10 = ?
=> 48 x 25 – 540 = ?
=> 1200 – 540 = ?
=> 660 = ?
784.032 ÷ 15.999 x 45.001 – 600.212 = ?
=> 784 ÷ 16 x 45 – 600 = ?
=> 49 x 45 – 600 = ?
=> 2205 – 600 = ?
=> 1605 = ?
1/5 x 699.9845 – 43.002 x 5 + 594.012 x 2 = ?
=> 1/5 x 700 – 43 x 5 + 594 x 2 = ?
=> 140 – 215 + 1188 = ?
=> 1113 = ?
Directions For Questions
Study the following information carefully and answer the questions given below:
There are total 1600 students in a class. Each likes one among the four breakfasts viz. Idli, Dosa, Upma and Puri Bhaji. Respective ratio of boys and girls among them is 5:3. 30% of the boys like Dosa. 25% of the girls like Puri Bhaji. 20% of the total number of students likes Idli. Respective ratio of number of boys who like Idli and number of boys who like Dosa is 2:5. Respective ratio of number of girls who like Puri Bhaji and number of girls who like Upma is 5:4. Number of boys who like Upma is 25% more than the number of girls who like Upma.
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Number of boys who like Upma is what percent of the number of girls who like Idli?
Required percentage = 150/200 x 100 = 75%
Find the difference between total number of students who like Dosa and total number of students who like Puri Bhaji.
Required difference = 580 – 430 = 150
Find the respective ratio of number of girls who like Puri Bhaji and total number of students who like Upma.
Required ratio = 150 : 270 = 5:9
Find the average of the number of boys who like Puri Bhaji and number of girls who like Upma.
Required average = (430 + 120)/2
= 550/2
= 275
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