Question
The cost of 2 pencils, 4 pens, and 8 erasers is Rs. 24
and the cost of 8 pens, 10 pencils, and 4 erasers is Rs. 36. How much will 3 pencils, 3 pens, and 3 erasers cost?Solution
2 pencils+ 4 pens + 8 erasers =24         … (1) 10 pencils+8 pens+4 erasers =36          … (2) Adding Eq (1) and (2) … 12pencils +12 pens +12 erasers =36+24=60 12(1 pencil +1 pen +1 eraser) =60 (1 pencil +1 pen +1 eraser) =5 (3 pencil +3 pen +3 eraser) =5×3=15 (3 pencil +3 pen +3 eraser) =15.
Which two signs should be interchanged in the following equation to make it correct:
120 ÷ 80 + 2 × 47 – 14 = 36
Consider the symbols '*, $, #, @, %' and the various meanings associated with them asfollows:
'A * B' means ' A is not greater than B'
'A ...
How many persons sit between P and R?
1. Examination
2. Job
3. Apply
4. Earn
5. Study
Answer the questions based on the information given below.
In a school, there are seven students (F, G, H, I, J, K and L) of different heights....
Neha and Priya are assigned a piece of work. Neha can complete 8 units of work each day, while Priya can finish the whole task alone in 32 days. If the ...
Six persons H, I, J, K, L, and M are sitting in a row such that all are facing towards the north direction. M sits third to the right of L. One person s...
By interchanging the given two signs and numbers which of the following equation will be correct?
× and ÷, 7 and 9
A person bought a mobile phone at a 10% discount. If he had bought it at a 20% discount, he would have saved ₹3000 more.
Find the market price ...Statements: V ≥ O ≥ S = A > J, M < Y = P ≤ O > R
Conclusion:
I. O > M
II. A ≥ M
III. V > RÂ Â
