if NCC students are arranged in 3 or 5 or 7 or 9 lines having equal no. of cadets then one student and group leader were out of lines. but if 11 lines are arranged then no student excluding leader is out of lines. find no. of students?
Uncle distributed 27 candies among his four nephews. The four kids started fighting over the candies and went to their grandpa. Grandpa heard the following:
“I got one less than him”.
“I got two less than him”.
“I got three less than him”.
“I got four less than him”.
“I got five less than him”.
“I got six less than him”.
How many candies did each kid get?
via @PatrickDsouza
Ram and Shyam are competing against each other in a friendly community competition in a pool 50 m long and they race 1,000 m. Ram crosses 50m in 2 min and Shyam in 3 min 15 s. Each time they meet/cross each other, they pat each other's back. How many such passes will happen? options: 19/20/22/23
A and B run with speeds 30 m/s and 20 mis around circular track of 600 m. they participate in a 3000 m race. what is the distance covered by A when he passes B for 5th time?
Modi and Singh are standing at a distance of 120m from each other.Modi starts running towards Singh and at the same time Singh starts running away from Modi .As soon as Modi catches Singh,Modi turns back and starts running backwards .By the time Modi reaches the point where Singh had started,Singh had covered a total distance of 120m.What is the total distance(in meters ) that has been covered by Modi at this point?👍
A right triangle has perimeter equal to 198 and area equal to 1386. What is the length of the hypotenuse?
An equilateral triangle ABC has AB=20root3. P is a point placed in triangle ABC and D,E and F are the foot of the perpendiculars from P to AB, BC and AC, respectively. If PD=9 and PE=10, what is the value of the length of PF ?
If a +ve integer n is subtracted from the squares of 3 consecutive terms of an AP the nos obtained are 120,232 and 376 respectively.What is the sum of the digits of n?👍
N=7777777......77777 where the digit 7 is repeated 429 times.What is the remainder when N is divided by 1144?👍
There is a vessel holding 40 litres of milk. 4 litres of milk is initially taken out from the vessel and 5 litres of water is poured in. After this 6 litres of mixture is replaced with 7litres of water. and finally 8 litres of mixture is replaced with 9 litres of water. how much of the milk (in litres) is there in the vessel now?
ABCD is a square. E is the midpoint of side AD. F is the mid point of EC. G is the midpoint of BF. What is the ratio of Area of Square ABCD and Area of triangle BGD ?
Options are:
a) 9
b) 12
c) 15
d) 16
highest power of 12 that divides (5^36)-1 is?
Find the smallest natural number n which satisfies the equation n^3 + 2(n^2) = b, where b is the square of an odd integer.
Puys i got doubts in questions of inequalities having modulus function. Kindly help me in providing the systematic solution for question like the following:
If x^2+y^2+z^2=27 what is the minimum value of x^4+y^4+z^4
Let f(x) = ax^2+bx+c, where a,b and c are certain constants and a not equal to 0. It is know that f(5)= -3f(2) and 3 is a root of f(x) = 0.
Q1. What is the other root of f(x) = 0?
Options: -7 , -4 , 2 , 6.
Q2. What is the value of a+b+c?
Options: 14, 13, 37 and Cannot be determined.
Please explain the answers.
HELP NEEDED 😃
Aman, Baman and Chaman can finish a job working alone in 15, 20 and 25 days respectively. However, while working with somebody the efficiency of Aman, Baman and Chaman reduces by 30%, 20% and 50% respectively. If none of them is allowed to work for three consecutive days, then what is the maximum possible fraction of the job that they can complete in four days?
a) 21/50 b) 17/50 c) 8/25 d) 1/3
1) A 12 cm long wire is bent to form a triangle with one of its angle = 60 degree. Find the sides of triangle in cm when its area is largest?
2) A needs an open box of capacity 864 cm³. Actually where he lives, rates of paints are soaring high as he wants to minimize surface area of box keeping capacity the box same as required. what is the base area and height of such a box?
If N = 1! – 2! + 3! – 4! +…..+ 47! – 48! + 49!, then what is the unit digit of N^N?