Number of ways of selecting atleast 4 things out of 10 identical things is ?
5555... written 93 times Find remainder when divided by 98?
2^111 - 2^11;What will be the number of trailing zeros ?
Please explain 5
formula to calculate equal installment in case of compound interest and simple interest??
Please explain 10 and 11
Income of A and B are in the radio 6:5 and expense are in the ratio 4:3, who saves more?
A thief escapes from prison and runs with a speed of 40 m per minute. A police officer starts following the thief after 5 minutes with a speed of 50 m per minute. The officer has a dog that runs with a speed of 60 m per minute. The dog runs to the thief and comes back to the police to show him the direction. It keeps moving to and fro between them, till the police catches the thief. Find the distance travelled by the dog in the direction of the thief.
4 boys P,Q,R,S and 4 girls J,K,L,M give their notes to one another. P gives his notes to K and M and takes noted from L & R. Q gives his notes to M & K but takes notes from L & J. On the other hand, the persons who exchange their notes are M&J, P & L, M & K, S & Q.
Which of the foll. 2 persons cannot exchange their notes at all, either directly or through any other person ?
- L & Q
- L & S
- M & Q
- K & J
0 voters
A man says, "I have all but 9 goats , all but 13 dogs, all but 14 cats." How many pets does he have?
- 30
- 18
- 36
- 24
0 voters
28) Also, aren't the last two terms equal?
Please explain
Approach?
Sum of all 3 digit numbers using 2,3,4,5,6 without repetition?
If the expression x(y)^2, the values of both variables x and y are decreased by 20%. By this, the value of expression is decreased by?
When i did it with net change at the end i got the result as 48.8.
If i take the original quqntity as 100.. then shouldnt answer be 51.2% instead of 48.8% as they are asking the value is decreased by???
If p=abc and Q=uv are three digits and two digits natural numbers respectively,such that u and v must be distinct integers.How many pairs of P and Q are there in total which gives the same result when we multiply abc with uv as the product of cba with vu?
a.2
b.8
c.5
d.cbd
number of ways in which 5^7 can be expressed as a product of 3 factors.?
A trader buys a 900-ml bottle of honey from a supplier at เคฐ270 per bottle. Due to an increase in demand, the supplier begins to use 800-ml bottles but continues to supply at the same cost per bottle. The trader increases the selling price of the bottle by 25%. If on every ml the profit the trader gets was 20% previously, find the profit percentage after the change.
a)50% b) 68.75 % c) 33.33%