Questions by yogita

0 votes

0 answers

The sum of (x + 5) observations is `x^4 – 625`. Find the mean of the

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The human body has about 100 billion cells. This number can be written in exponential form

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The value of `3^5 -: 3^(–6)`

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The reciprocal of `(2/5)^-1`

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The multiplicative inverse of `(-5/9)^-99`

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

If x be any non-zero integer and m, n be negative integers, then `xm xx xn` is equal

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Which of the following is equal to `(-3/4)^(-3)`

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

By multiplying `(5/3)^4` by ________ we get

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

`329.25 = 3 xx 10^2 + 2 xx 10^1 + 9 xx 10^0 + 2 xx 10^–1 + 5 xx

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Simplify: -1. `(2^5 -: 28) xx

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Write 0.000005678 in the standard

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

For the following repeater machines, how many times the base machine is applied and how much the total stretch is?

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Find three repeater machines that will do the same work as a `(xx64)` machine. Draw them, or describe them using

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The left column of the chart lists the lengths of input pieces of ribbon. Stretching machines are listed across the top. The other entries are the outputs for sending the input ribbon from that row through the machine from that column. Copy and complete the chart.

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

By what number should `(–8)^(–3)` be multiplied so that that the product may be equal to

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

A shirt with marked price Rs 800 was sold at Rs 680. The rate of discount allowed on the shirt

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Suppose for the principal P, rate R% and time T, the simple interest is S and compound interest is C. Consider the

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The compound interest on Rs 50,000 at 4% per annum for 2 years compounded annually

asked Jan 17, 2022 in 8th-maths

Page:

« prev
1
...
34
35
36
37
38
39
40
...
45
next »