The sum of three no.'s in a GP is 14 and the sum of their squares is 84.Find the largest number?
a.8 b.6 c.4 d.12 e.none
A test has 50 questions. A student scores 1 mark for a correct answer, –1/3 for a wrong answer, and –1/6 for not attempting a question. If the net score of a student is 32, the number of questions answered wrongly by that student cannot be less than ?
how much above the cost price should a trader mark his goods to gain a% after offering a discount of b% on the marked price
There were 90 ques. in an exam. Marking system was (+1)/(-0.33). No negative for unattempted. How many different net scores were possible??
Corresponding terms of two arithmetic progressions are multipled..as a result we obtain the following sequence 1440 1716 1848....what is the 8th term?
mr. rajesh calculates his profit percentage as a percentage of selling price. he sells an item for rs.150 and calculates his profit percentage to be 20% what is the true profit percentage
Puzzle:
Out of a thousand identical buckets, 1 contains poison which can kill a pig in exactly 30 min. If you want to locate the bucket with poison in an hour, what is the min no. of pigs required?
Ravi is going upstream in a boat with his girlfriend. He wants to give a flower to her but the flower slipped away from his hand and fell into the river. Ravi was unaware of this event. He again moved for 2 hrs and came to know that the flower was not there. He immediately turned back and catches up with flower 6 km from that point. Find speed of stream. (Ans:1.5km/hr)
A tortoise on a beach lays eggs and goes back to the sea where its mate is waiting. One way to reach the mate is going down 12 km on a straight line perpendicular to the sea, turning 90o and swimming for 5 km on a straight line. On its way down to the sea, the tortoise can cut the water at any point. The speed of the tortoise on land is 1 kmph and in water it is 2 kmph.
What is the meaning of " cut the water" here ?
Hi everybody :) Can somebody please tell me which are the best YouTube channels for learning Input/Output and Statement/Conclusion type of questions? Thanks in advance...
There are two vessels of equal capacity, one full of milk, and the second one-third full of water. The second vessel is then filled up out of the first, the contents of the second are then poured back into the first till it is full and then again the contents of the first are poured back into the second till it is full. What is the proportion of milk in the second vessel? Ans:20/27
If f(a) = 4^a / (4^a + 2); find the value of f(1/1999) + f(2/1999) + ……… + f(1998/1999)
A dealer uses weight 20% less than weight and also added 20% impurities to increase profit. Find the total profit?
A number when added to its sum of digits 2001 is obtained.
How many such numbers exists ?
One day each of Neha’s friends consumed some
cold drink and some orange squash. Though the
quantities of cold drink and orange squash varied
for the friends, the total consumption of the two
liquids was exactly 9 litres for each friend. If Neha
had one-ninth of the total cold drink consumed
and one-eleventh of the total squash consumed,
find the ratio of the quantity of cold drink to that
of orange squash consumed by Neha on that day. Is the data sufficient to answer ?
If a = √(7 + 4√3), then what will be the value of (a
+ 1/a)?
- 3
- 2
- 4
- 7
0 voters
Sum of the real roots of the equation x2 + 5|x| + 6
= 0
options: -5,5,10,none of these
In how many ways 1000 can be written as sum of two or. More consecutive natural numbers?
A natural number N has ‘k’ distinct prime factors. If the total number of factors of N is 72, then what is the product of all the possible values of k?
Plz explain.