There are 500 balls in a box. There are two teams A and B . No team can pick more than one-third of the balls in a box in his turn. Team which could not pick the ball in their turn will lose the game. How many balls first team must pick to ensure his win ?
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How many three-digit numbers can be generated from first 9 natural nos such that the digits are in NON-DESCENDING order??
A dishonest seller uses a weight of 700 gm in place of 1 kg and adds 15% impurities in pulse. What would be his profit percentage if he claims to be selling at cost price?
How many 6 digit numbers are divisible by 4 if we allow no repeated digits ?? Approach
I am getting ..6*8*7*6*5+17*7*6*5 ??
If combination of letters are formed by taking 5 letters at a time out of the letters of the word "METAPHYSICS", in how f many of them will T occur ?
M getting 246 ( 10C4+9C2) .. plz guide me
8 identicals apples distribute among 4 people so that every 1 get atleast 1 apple. Number f ways
m getting 140
In 2000, market shares for margo and palmolive in the market were 20% and 80% respectively.In 2001, market for soaps increased by 60% and a new player dove also entered the market and captured 30% of market share.if difference in the market share of other two soaps is 30%, find market share of margo?
A student appears for 4 papers-english,maths,physics,chemistry, maximum marks for which are in the ratio 1:1:2:2.His marks are in the ratio 4:8:13:15.if he got 80% of the total maximum marks, in how many papers did he get more than 80%?
If the discount given is 25% of SP and sale gives the trader a profit of 50/3% when calculated on his SP, by what percent did he mark up the CP before offering the discount?
Last Sunday, every customer who visited the CENTRA MALL was given a gift coupon, on every purchase worth Rs. 1000, with a unique six-digit code written on it. Each code was such that-
i). The first digit was non-zero.
ii). All the six digits were distinct.
iii). The 1st and the 6th digits added up to 9 and so do the 2 nd and 5 th digits, and also the 3rd and 4th digits.
A gift was given to a customer who had two coupons with codes such that the numbers formed using the first three digits of each code were the reverse of each other. The number of coupons distributed could not have been more than
A) 504
B) 729
C) 432
D) 648
In a survey conducted,it was found that, of the 100 persons surveyed, 20 persons do not read any of the three magazines- BW , BI, and BT.45 people read BW,40 people read BI and 45 people read BT.
a)What is the max number of people who read exactly one magazine?
b)What is the max number of people who read only BW?
How many rectangles with integral sides are possible where the area of the rectangle equals the perimeter of the
rectangle?
what is the remainder when x^200 - 2x^199 + x^50 - 2x^49 + x^2 + x + 1 is divided by (x-2) (x-1) ?
An article was marked at a certain percentage above the CP.It is then sold for a profit after offering a discount.The sum of the profit and the discount equals the sum of its CP and the difference of twice its MP and thrice its CP.find markup percentage?
AC is a chord of a circle whose centre is at O. If B is any point on the arc AC and ,angle OCA=20` , then magnitude of angle ABC is?
In how many ways can you select 4 non consecutive books out of 11 distinct books arranged in a circle ?
Of three taps X, Y and Z, Y takes 2 times as much time as X and Z together, while X takes 20 minutes more than Y and Z together to fill a tank. If the three taps together fill the tank in 24 minutes, then how long does X take to fill the tank individually? a)30 minutes
b)60 minutes
c)90 minutes
d)120 minutes
An article was bought and then sold.if SP was 25% more, profit made would change by rs 1000.If CP was 20% more profit made would change by rs 600.find actual profit or loss made on selling the article?