Question
The number of boys and girls in a school is 200 and 320
respectively. 20% of boys left the school while 40 girls took admission in the school. Find the new ratio of boys to girls in the school.Solution
Required ratio = (0.80 x 200) : (320 + 40) = 160:360 = 4:9
Select the mirror image of the following figure (note the position of the mirror).

Which two numbers should be interchanged to make the given equation correct?
69 + 15 β (14 Γ 4 ) Γ· 2 + (48 Γ· 3) = 58
(NOTE: Numbers m...
Which of the following terms will replace the question mark (?) in the given series?
GASM, CCOO, YEKQ, ? , QICUΒ
Select the number from among the given options that can replace the question mark (?) in the following series.
16, 35, ?, 217, 653, 1309
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
Select the option that is related to the third number in the same way as the second number is related to the first number.
576:384 β· 765: ?
By interchanging which two signs and two numbers (not digits) the equation will be correct?
8 β 4 Γ 9 + 6 Γ· 3 = 29
Select the figure from the options given below that can replace the question mark (?) and complete the pattern.Β
If β+β means βββ, βββ means βΓβ, βΓβ means βΓ·β, and βΓ·β means β+β, what will come in place of the question mark ...