A Monkey ascends a greased pole 12 metres high.He ascends 2 metres in first minute and slips down 1 metre in the alternate minute.In which minute he reaches top? a)21 b)22 c)23 d)24 e)none of these
In a 800m race around a stadium having the circumference of 200m the top runner meets the last runner on the 5th minute of the race .If the top runner runs at twice the speed of the last runner,what is the time taken by the top runner to finish the race?
a)20 min b)15 min c)10 min d)5 min
(procedure?)
A string of three letters is formed using the vowels a, e, i and consonants b, c, d, f, g such that
(i) the first letter is not a vowel
(ii) the second letter is a vowel
(iii) if the second letter is a, then the third letter is a consonant different from the first letter
(iv) if the second letter is e, then the third is either c or d
(v) if the second letter is i, then the third letter is the same as the first.
How many such strings are possible?
(Im getting 33, but the answer is 35 cab some one pls explain)
Three cities are connected such that each city has at least one direct route to each of the other. If one wants to go from A to B, either a direct route (AB) or an indirect one (ACB) can be used. Totally, there are 33 routes from A to B and 23 routes from B to C. How many indirect routes are there from A to C?
a)18 b)15 c)16 d)21
Two trains one from Howrah to Patna and the other from Patna to Howrah start simultaneously.After they meet the trains reach their destination after 9 hours and 16 hours respectively.The ratio of their speeds? a)2:3 b)4:3 c)6:7 d)9:16
Find the sum of all natural numbers less than 550 , that leave a remainder of -3 when divided by 7
Sum of five consecutive terms of an increasing geometric progression is 211. It is known that all the five terms are positive integers. Find the numbers.
@nitinchan , try this.. another time pass 😉
K(N) denotes the number of ways in which N can be expressed as a difference of two perfect squares. Which of the following is maximum? solution plzz
- k(384)
- k(105)
- k(216)
- k(110)
0 voters
Two circles touch externally. AB is a diameter of the larger circle and C is the centre of the smaller circle.
If ABC has an area of 289 sq. cm, then which of the following can be the length of the line segment CD?
CD is the line perpendicular on AB
1) 33
2)33.5
3) 31
4)none
In how many ways 5 balls of distinct colours can be put in 5 boxes of same colour such that no ball goes to the box of its colour?
Approach pls....
A bag contains n discs of two colours, red and blue. Two discs are removed from the bag at random. If the probability of selecting two discs of same colour is 1/2, then the number of discs in the bag is __________
- perfect square
- prime number
- even number
- odd number
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A picture 30"x20" has a frame two and a half inches (2 1/2 ") wide.The area of the picture is approximately how many times the area of the frame? a)4 b)5/2 c)2 d)5
Balu has Rs.216 in two rupee denominations. He wanted to allocate them into a number of bags in such a way that he could give any amount (even number of rupees) between Rs.2 and Rs.216 by handing out one or more bags without opening them. What is the minimum number of bags he would require?
A)6 B)7 C)8 D)9
Approach please.
The concentration of milk and water in a mixture is 5:1. 18 litres of mixture is drawn and then 6 litre of pure water is added to the mixture.The new concentration of milk and water is 3:1.Find the initial quantity in litre of mixture?????
which type of questions have come from trigonometry in cat and other papers? I mean have they asked questions based on those heights and distances parts or on those based on trigonometric formulae?
If in circular permutations we say A is sitting to the left of B... Does it always mean immediate left?
if the rate of interest is 10%pa,where interest is compounded every 4 months, what is the effective rate of interest.
Kindly help with below questions
1.If the CAGR is x% , GDP of India will become 3 times the current value in 8 years. Find the approximate value of x?
2. A shopkeeper increases price of calculator by X% and then decreases by X%. Due to this price of calculator decreases by 400 and the whole process is repeated once more and the price of calculator becomes Rs. 1764. Find the value of X?