Question
How many Zeros can be formed by multiplying
10×20×30×40×…………….× 1000Solution
10×20×30×40×…………….× 1000 10×1 × 10×2 × 10×3 × 10×4 × …………….× 10×100 10100 × 1×2×3×4×……..× 100 Now, if 101 = 1 zeroes 102 = 2 zeroes 103 = 3 zeroes Then, 10100 = 100 zeroes ……………..(i) Now 1×2×3×4×……..× 100 100/5 = 20 20/5 = 4 =(20+4) = 24 zeroes ∴ Required number of Zeroes = 100+ 24 = 124
Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons. In row 1, D,...
Three different positions of the same dice are shown. Find the number on the face opposite the face showing ‘6’.
Statements:
Some apples are oranges.
All oranges are fruits.
Conclusions:
I) All apples are fruits.
II) Some frui...
Which two numbers should be interchanged to make the following equation correct?
96 ÷ 8 − 3 × 6 + 32 = 24
Select the option figure that will replace the question mark (?) in the figure given below to complete the pattern.
‘F + R’ means ‘F is the mother of R’
‘F – R’ means ‘F is the father of R’
‘F ÷ R’ means ‘F is the husband of R’...
In a certain code language, ‘MUST’ is coded as ‘7913’ and ‘TALE’ is coded as ‘8672’.
What is the code for ‘T’ in the given co...
In a certain code language, 'LAST' is coded as 'PFWY'. What is the code for 'MEAN' in that code language?
Question Figure:
A, B, C, D, E, F, G and H are sitting around a square table, four of them sit at the 4 corners, while four sit at the middle of the sides. The ones who ...
Relevant for Exams:
