Q-the profit and loss statement for the financial year of a company shows a sale of Rs 15200. The primary cost is 25% of sales and leading costs account for 20% of the gross profit. The gross profit is determined by deducting the primary cost plus the cost of miscellaneous expenses of Rs 1200. The managing director's salary of Rs 500 per annum plus 2% of annual sales is a minimum cost. What is the per cent profit on a capital investment of Rs 20000?
What is the remainder when 17^21^225 is divided by 117??
Please help 😃
Water is pouring into a tank at a constant rate. When the tank is full, 10 pumps of equal capacity empty the tank in 12 hrs, while 15 pumps of the same capacity empty the tank in 6 hrs. The time which 25 pumps of the same capacity take to empty the tank, if the tank is initially full, will be : (All the pipes pouring water into the tank are always open)
In how many ways can 5 different toys be packed in 3 identical boxes such that no box is empty, if any of the boxes may hold all of the toys?
a) 125
b) 243
c) 20
d) 25
e) None of these
Silicon wafers are produced as discs of diameter 14 cm. Through photolithography, transistors are etched onto this wafer. Finally this wafer is cut into size 4 cm × 1.5 cm to form ICs. Each transistor requires a wafer size 100 micron by 100 micron. How many transistors are there on ICs made from this wafer?
A)4,900 million
B)15,400 million
C)616 million
D)None of these
Two trains going on a parallel line in opposite directions take 10 seconds to cross each other. But if they are going in the same direction the longer train crosses the shorter train in 30 seconds. If the length of the longer train is decreased by 50%, the time taken to cross the shorter train while going in the same direction decreases by 8 seconds. The time taken by the longer train to cross a tunnel twice its length, if the difference between the length of the trains is 25 m is?
In how many ways can you select 4 different cards from a pack of 52 cards so that none of them is a a spade?..Guys please provide solution for this question!!-
A Q i came across : nice concept on the property of square of any natural no.,though trivial but can be important :
Bill and Clinton take the square of a certain decimal number and express it in base 5 and 6 respectively. Then Bush comes and he takes the two representations and assuming that the expressions are in base 10, adds the numbers. Which of the following cannot be the value of the unit's digit of the sum obtained?
1) 0
2) 2
3 ) 4
4 ) 6
5 ) 3
karan wrote a 5 digit number and then wrote another five digit number by rearranging the digits of the previous number . Later he subtracted the two five digit numbers to obtain another five digit number whose digits are 1,2,3,0 in some order. what is the remaining digit ?
The highest power of 6 for The LCM of first 200 Natural numbers?
On a circle there are 10 points each of which is connected with each other with a straight line. How many triangles will be formed which lies completely inside the circle?
ABC is a triangle with CAB is 15 degree & ABC is 30 degree if M is The mid point of AB then ACM ?
Let f(n) be the sum of the distinct positive prime divisors less than 50 for all positive integers n. For example: f(15) = 3 + 5 = 8 and f(61) = 0. Find the remainder when f(1) + f(2) + … + f(99) is divided by 1000.
N persons stand on the circumference of a circle at distinct points. Each possible pair of persons,
not standing next to each other, sings a two-minute song one pair after the other. If the total
time taken for singing is 28 minutes, what is N?
Let f(x) = ax^2 – b| x |, where a and b are constants. Then at x = 0, f(x) is
(1) maximized whenever a > 0, b > 0
(2) maximized whenever a > 0, b
(3) minimized whenever a > 0, b > 0
(4) minimized whenever a > 0, b
5 Persons enter a lift cabin of a 8 storey building on ground floor. In how many ways can they all leave the lift if they can all leave at any floor(except the ground floor of course)?
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ABC is a triangle with CAB is 15 degree & ABC is 30 degree if M is The mid point of AB then ACM?options 15 30 45 60
There is 7 digit telephone number.. A has forgotten the number but he remembers that first 3 digits r either 123 or 321 ,, When written in reverse order it is div by 11 ... The no. is divisible by 8 ,, How many times A has to dial to get the success??
Sequence 4, 5/2, 2, 7/4, ...... Find the result of multiplication of 6th term to 117th term of this series . (T6 * T7 * T8 * T9 * .............. T117)