If A takes 35hrs less than B and B takes 80hrs more than A and B together then how much time they both take together? Ans - 60 pls elaborate the approach
What is the highest possible value of ‘n’ for which 31024 – 1 is divisible by 2n?
Can you suggest an intelligent method for this?
http://www.clipular.com/c/5138247210762240.png?k=_w48AxusoGxXR2SS0DXJ-XaXj0I
OA: 3
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M has 2 sons and 1 daughter, X, Y and Z, but not necessarily in that order. Each of M’s children has 2 children namely A, B, C, D, E and F of whom four are boys. M leaves Rs.10000 to each of his sons and Rs.8000 to his daughter. He also leaves Rs.5000 to each grandson and Rs.3000 to each granddaughter. In the end M’s fortune of Rs.54000 is divided equally among the three families.
a. All the boys have long hair.
b. E has short hair.
c. B and F have long hair.
d. C and D are siblings of the same sex.
e. F is Z’s son.
f. X is C’s uncle.
If A and E are siblings, find the ratio of the total amount received by X and Y to that of A and B.
1. 9 : 5
2. 3 : 1
3. 5 : 2
4. 9 : 4
The three words “HAPPY INDEPENDENCE DAY” are flashed such that the words, individually, are switched on at regular intervals of 4, 7 and 9 seconds respectively and after they are switched on, the words are switched off after 2 seconds, 4 seconds and 5 seconds respectively. If at time t1, all the words happened to switch off simultaneously, find the least time after t1 when all three words will switch on simultaneously.
If Ap is the sum.of the first p terms of the series A=12^144+12^143+.....,then find No which is the sum of the first p terms of the series A1+A2+......
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60 employees in an office were asked about their preference for tea and coffee. It was observed that for every 3 people who prefer tea, there are 2 who prefer coffee. For every 6 people who prefer tea, there are 2 who drink both of tea and coffee. The number of people who drink both is the same as those who drink neither. How many people drink both tea and coffee?
(a) 10 (b) 12 (c) 14 (d) 16
Please Let me know ehy my approach is wrong for -
http://www.clipular.com/c/5736862841044992.png?k=QuaAvRnLD21XeQz6SbZVQf3YmAQ
My Approach -
Carefully observe the ratios. Adding the ratios of both the mixtures yields the desired mixture.
Therefore I added both the ratios and hence their prices for 1 kg and took their average. Got Rs 39 as my answer this way.
Original Ans :38 .63
A number is formed by multiplying the 1st 100 multiples of 5. What's the highest power of 25?
how many ordered pairs (a,b) are there such their LCM is 400...
Plz answer
A,B,C mixtures of wine and water having 80%,70%,50% wine. In what ratio they should be mixed to get a wine solution of 60% . Ans - 1:1:3 pls elaborate the approach
23) Find the probability of getting prime number sum when 6 dices are rolled?
Number of ways of writing 100 as sum of 2 or more consecutive integers ..
plz answer
Find the remainder when 21^476 - 18^48 is divided by 10? Ans is 5 pls elaborate the approach
Find the remainder when 35*36.....*67 is divided by (17*17)
X% of Y + y% of X = 2%xy .what is x+y ? Pls elaborate the approach
There are a group of 10 dancers , 3 of whom can only dance in the 1st row and 2 on the 2nd row . Both rows must have equal no. Of dancers ? Pls elaborate the approach
If the speed of a car is increased by 20 km/h, it reaches its destination 2 hours earlier. If the speed is further increased by 20 km/h, the car reaches 3 hours earlier than its usual time. What will be the speed (in km/h) of the car if it reaches 2 hours late?