A is going to cover a distance of 90 km from B to C. He covers 1/3rd of the distances by Bus, Helicopter and Hovercraft respectively. The average speed of hovercraft is twice the average speed of the bus and 10 more kmph more than the average speed of helicopter. The time spent of the helicopter is 0.25 hours more than the the time spent on the hovercraft. ?
Is there any shortcut method to this ?
What is the total number of people that should be present in a crowd to ensure that atleast 6 people have the same birthday ?
The average age of a family of 6 is 60 years. If the youngest in the family is 10 years old, what is the age of the oldest in the family
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How many order triplets (x,y,z) are there such that LCM (x,y)=72, LCM(x,z)=600 & LCM(y,z)=900?
In how many ways 20 identical balls can be distributed among A,B,C,D such that A gets more than B and B gets more than C and C gets more than D
A takes 10 days to lift m bricks while B takes 9 days to lift m bricks. If they lift the bricks together, they lift 10 bricks per day less than what they would actually have lifted together. If together they lift m bricks in 5 days, what is the value of m?
131. Can anyone help me with the technique to solve this? OA- B
132 please anyone...? How to solve...solution in detail..?
Q20?
A sequence 192, 360, 576....... is formed by multiplying the corresponding terms of two different Arithmetic Progressions. What is the eighth term of the sequence?
John and David work on alternate days with John starting on the first day. John does 12.5% of the total work on the last day and finishes the work. If John alone can do the work in 6 days then which of following can be the number of days in which David alone can do the whole work?
What will be the value of y when 57y is divided by 8? Number system. Divisibility.
135..
In a factory there are two identical solid blocks of iron. When the
first block is melted and recast into spheres of equal radii 'r', then
14 cc of iron was left, but when the second block was melted and recast into sphere each of equal radii '2r', then 36 cc of iron was left. The volumes of the solid blocks and all the spheres are in integers. What is the volume (in cm³) of each of the larger spheres of radius '2r'?
Please post solution also..!
3 men and 4 boys do a work in 8 days, while 4 men and 4 boy do the same work in 6 days. In how many days will 2 men and 4 boys finish the work ??
If income tax increases by 19% then the net income decreases by 1%. What is the rate of income tax?
A shopkeeper sold a fan at a profit of 10%.had he purchased it for 5%less and sold for rs 56 more,hecould have gained 25%.what was cp?
The sum of first two terms of an infinite GP is 1 and every term is twice the sum of successive terms .. Find its first term . a)1/3 b) 2/3 c) 3/4 d) 1/4
if first and (2n-1)th terms of an AP,GP and HP are equal and their nth terms are a,b,c respectively then a) a=b=c b) a+c=b c) a > b >c and ac-b^2=0 d) NOTA With approach please
how many 4 letter words can be formed with the letters of the word REGURGITATE in such a way that no letter is used more than once(I.e all the 4 letters should be unique). Please answer backed by a logical explanation. THANKS
ow many 4
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