A person buys some tomatoes at 5 for a rupee and an equal number at 25 np each. He sells them at a rate of 9 for 2 rs but incurs a loss of rs 5 in the transaction. how many tomatoes did the person purchase?
The area of the circle circumscribing three circles of unit radius touching each other is ??
Rahim sets out to cross a forest .On the first day, he completes 1/10 th of the journey .On the second day ,he covers 2/3rd of the distance TRAVELLED the first day .He continues in this manner,alternating the days in which he travels 1/10th of the distance STILL TO BE COVERED , with days on which he travels 2/3 of the total distance already covered .At the end of seventh day,he finds that 22 1/2 km more will see the end of his journey.How wide is the forest????
The capitals of 4 partners A,B,C,D are in the ratio of 7:8:6:5. A's and C's capitals are there in the business for entire year. if each partner kept his money invested in the business for a period which is more than 6 months , and B and D together get 111/267 of the total profit , then for how many moths is D's capital invested ?????? please solve completely
Raju takes 4 hours less to row down a 12 km stream than he takes to row up, For this 24 km roundtrip, if he double his rowing speed, he would take half an hour less to row downstream than to row upstream. Find the speed of the stream in km/h?
a. 0 b. 2 c. 4 d. 6 e. none of these
Let P = {n!+1, n!+2, n!+3,.....n!+n} such that n is a natural number greater than 42. At the most, how many elements in set P can be prime numbers ?
A. 1
B. 2
C. 0
D. more than 2
we know that a^n + b^n is divisible by a+b when n is odd...can we by extension say that a^n + b^n + c^n + d^n..... is divisible by a+b+c+d.....and so on ?
we know that a^n + b^n is divisible by a+b when n is odd...can we by extension say that a^n + b^n + c^n + d^n..... is divisible by a+b+c+d.....and so on ?
Have a look at this one. Plz post the soln as well.
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A two-digit number having distinct digits when divided by the sum of the digits gives the same remainder as when a two-digit number that is formed by reversing the digits of original number is divided by the sum of the digits.
Out of all such possible two-digit numbers, a number is randomly picked. What is the probability that this number is divisible by 4?
a. 3/8 b. 5/12 c.2/7 d.7/12 e. none of these.
Approach please
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Any one help me with approach ...Highest every natural number n the highest number that can divide n (n^2 -1) is ??
Is (2n) ! divisible by (n!)^2 ??
How to find 2048 th digit of sequence 12345678901234567890.......890 ?
How to find the lat two digits of (201x202x203x204x246x247x248x249)^2
If all the four-digit numbers that can be formed using the digits 1, 2, 3, 4, 5, 6, 7 and 8 without repetition are arranged in ascending order, what will be the rank of the number 5283?
Options : 897 , 898 , 908 , NOT
I am getting 898 😠 😠 , but CL answer says 897 , can anyone confirm ?
no of distinct terms in expansion of (a+b+c)^20
Plz post approach
231 253 242 210 228
A natural number 'N' can be represented as the sum of three natural numbers 'a', 'b' and 'c'; where 'a' is the cube root of one-third of 'N', 'b' is the square root of one-sixth of 'N' and 'c' is five-sixth of 'N'. If N
Options - 0 , 1, 2, more than 2
A natural number 'N' can be represented as the sum of three natural numbers 'a', 'b' and 'c'; where 'a' is the cube root of one-third of 'N', 'b' is the square root of one-sixth of 'N' and 'c' is five-sixth of 'N'. If N