C-11-Q082mediumsingle_mcq

The ratio of absent and present students of a day in a class is $1:4$ . Percentage of absent students with respect to total is—

a $20\%$
b $25\%$
c $40\%$
d $80\%$

ব্যাখ্যা

With absent : present $= 1:4$ , the total is $1+4=5$ parts, so absentees form $\frac{1}{5}$ of the whole class. As a percentage this is $\frac{1}{5}\times100\% = 20\%$ .

এই অধ্যায়ের আরও প্রশ্ন

C-11-Q083If , then equals—
C-11-Q084The proof of given uses the substitution—
C-11-Q085If , then—
C-11-Q086The proof of given uses the substitution and the expansion—
C-11-Q087If , then—
C-11-Q088If and are not mutually equal, the value of each ratio is—
C-11-Q089If , then equals—
C-11-Q090If are continued proportional, then
C-11-Q091If are continued proportional, then equals—
C-11-Q092Given , the value of is—

Algebraic Ratio and Proportion — সব প্রশ্ন দেখুন (180টি) →

The ratio of absent and present students of a day in a class is 1:41:41:4. Percentage of absent students with respect to total is—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The ratio of absent and present students of a day in a class is 1:41:41:4. Percentage of absent students with respect to total is—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The ratio of absent and present students of a day in a class is $1:4$ . Percentage of absent students with respect to total is—

The ratio of absent and present students of a day in a class is $1:4$ . Percentage of absent students with respect to total is—