A ribbon is stretched on the Earth's equator such that the it circles the entire Earth...it is tight enough such that its radius is equal to the radius of the earth,now it is cut and 10 meters of ribbon is added to its length and now its radius increases by x meters.The same process is repeated with Sun with a much longer ribbon ,what would be the increase in the radius of this ribbon if its length is also increased by 10 meters???
Mr. Decimal enters a lucky draw that requires him to pick five different integers from 1 through 29 inclusive. He chooses his five numbers in such a way that the sum of their logarithms to base 10 is an integer. It turns out that the winning 5 numbers have the same property, i.e. the sum of their logarithms to base10 is also an integer. What is the probability that Mr. Decimal holds the winning numbers?
a)1/2
b)1/8
c)1
d)1/4
e)1/6
how to calculate sum of series : 1+3+6+10+15+21.... upto 100 terms?
Ramsukh bhai sells rasgulla(a favourite Indian sweets) at Rs. 15 per kg. A rasgulla is made up of
flour and sugar in the ratio 5 : 3. The ratio of price of sugar and flour is 7 : 3 (per kg). Thus he earns 66 2/3 profit. What is the cost price of sugar?
1) Rs. 10/kg (2) Rs. 9/kg
(3) Rs. 18/kg (4) Rs. 14/kg
In a certain colony of rabbits, each rabbit gives birth to four new rabbits every year. How many new rabbits will be born from a single productive rabbit if this reproduction rate continues for 10 years and it is known that only 75% of the new rabbits are capable enough to produce the next generation of rabbits? note: each rabbit reproduces exactly only once.
please reply with explanation of the answer.
- 2(3^9-1)
- 3^10-1
- 2(3^10-1)
0 voters
Number of distinct terms in (a+b+c)^20
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What is the number of distinct rectangles on a 8X8 chess-board?
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Input: age road own wire tire ink pen uni dice eat
Step I : Uni age road own wire tire ink pen eat dice
Step II : Uni Own age road wire tire ink eat pen dice
Step III : Uni own ink age wire tire eat road pen dice
Step IV: Uni own ink eat age wire tire road pen dice
And stepfour is the last step of the rearrangementAs per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input.Input for the questions
Input: gem stat ace cast omit fan rate uncut era input
1. Which of the following would be the final arrangement
?a) Cast gem fan rate stat uncut omit input era ace
b) Uncut omit input era ace cast fan gem rate stat
c) Uncut omit input era ace stat rate gem fan cast
d) Uncut omit input era ace stat fan gem rate cast e) None
evaluate:
(8^4+64)(16^4+64)(24^4+64)(32^4+64)(40^4+64)(48^4+64)(56^4+64)(64^4+64)/((4^4+64)(12^4+64)(20^4+64)(28^4+64)(36^4+64)(44^4+64)(52^4+64)(60^4+64))
hadh ganda question
evaluate:
(8^4+64)(16^4+64)(24^4+64)(32^4+64)(40^4+64)(48^4+64)(56^4+64)(64^4+64)/((4^4+64)(12^4+64)(20^4+64)(28^4+64)(36^4+64)(44^4+64)(52^4+64)(60^4+64))
hadh ganda question
In how many ways can a selection be made of 5 letters out of 5As,4Bs,3Cs,2Ds,1E?
a)70 b)71 c)15C5 d)15P5
no one can use wolfra
Consider the five points comprising of the vertices of a square and the intersection point of its diagonals. How many triangles can be formed using these points?
(a) 4
(b) 6
(c) 8
(d) 10
Find the number of zeroes in(20!+30!+40!)^(5!+6!+7!)???
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Can somebody plz provide some source to practise Set theory - Venn diagram questions (exactly 2, at least 2 type questions)
Very much required.
Thanks.
A cube is to be painted in blue or green. In how many different ways can it be done??
Find the sum of all possible whole number divisors of 720.
a) 2012,b) 2624,c) 2210,d) 2418,e) 2520Suppose the product of n consecutive integers is x . If (x+1)(x+2)(x+3)....(x+(n-1)) = 1000 , then n (the number of terms) can't be(a) 16 (b) 5 (c) 25 (d) 20 (e) NOT
edited 😛
dont knw ans..pls explain
The mean of 1,2,2^2,......2^31 lies between :
a)2^24 to 2^25👍
b)2^25 to 2^26😉
c)2^26 to 2^27
d)2^23 to 2^24
e)2^29 to 2^30😟
if 3 positive real nums x,y,z are in AP such that xyz=4, then what will be min value of y? )2^(1/3)
)2^(2/3)
)2^(1/4)
)2^(3/4)