Search found 28 matches


exponents

if 4^a + 4^a+1 = 4^a+2 - 176, what is the value of a?

by sgr21

Sat Nov 23, 2013 1:01 am
Forum: Problem Solving
Topic: exponents
Replies: 7
Views: 1467

blank

If in a certain code, LAMENTING has been coded as 314552957, in that language what will be the code for DRAMATIC?

by sgr21

Wed Nov 06, 2013 12:27 am
Forum: Problem Solving
Topic: blank
Replies: 2
Views: 3389

city

Sam observed that when it is 10am in City A it is 4pm on the previous day in City B. Sam boards a flight from City A that takes off at 3am City A local time and arrives in City B at 7am City B local time. On the return leg of the journey from City B to City A the plane flew at double the speed and t...

by sgr21

Tue Nov 05, 2013 11:48 pm
Forum: Problem Solving
Topic: city
Replies: 1
Views: 2855

yes dear c is d OA thnk u guys!!

by sgr21

Mon Nov 04, 2013 6:14 am
Forum: Problem Solving
Topic: math
Replies: 7
Views: 1707

math

In the first half of the season a football team participating in the local league won 40% of its matches. It then went on to win all its matches except two in the second half of the season. If it is known that for the entire season the percentage of matches won by the team was 66.67% and that the te...

by sgr21

Mon Nov 04, 2013 12:58 am
Forum: Problem Solving
Topic: math
Replies: 7
Views: 1707

probability

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being queens?
(A) 1/52
(B) 1/4
(C) 3/221
(D)1/221

by sgr21

Mon Nov 04, 2013 12:05 am
Forum: Problem Solving
Topic: probability
Replies: 3
Views: 1241

sequence

hey guys i am some how stuck with series almst evry tym
What comes next in the series?
5, 16, 60, 236, 940,

by sgr21

Mon Oct 21, 2013 10:58 am
Forum: Problem Solving
Topic: sequence
Replies: 5
Views: 4409

divisibilty

What will be the least number which when quadrupled will be exactly divisible by 24, 36, 42 and 60?
(A)630
(B) 1260
(C) 315
(D)420

by sgr21

Mon Oct 21, 2013 10:55 am
Forum: Problem Solving
Topic: divisibilty
Replies: 6
Views: 5078

ratio help

The age of John 21 years from now will be half that of Parson at that time. Currently the ratio of John’s age to Parson’s age is 5:17. What was the age of Parson 2 years ago?
(A) 15 years
(B) 49 years
(C) 32 years
(D) 11 years

by sgr21

Mon Oct 21, 2013 10:52 am
Forum: Problem Solving
Topic: ratio help
Replies: 4
Views: 4118

dist

A man completes a journey in 40 hours. He travels half of the journey’s distance at the rate of 84 km/hr and the other half of the journey’s distance at the rate of 96 km/hr. Find the total distance that the man covered during the journey?
(A)448 km
(B) 1792 km
(C) 896 km
(D)908 km

by sgr21

Mon Oct 21, 2013 10:51 am
Forum: Problem Solving
Topic: dist
Replies: 8
Views: 4057

thank the correct answer is 2030
bt i didnt understand how and why we did this step?

So, 7x2x2x2x3x3 = 504

please explain

by sgr21

Mon Oct 21, 2013 10:33 am
Forum: Problem Solving
Topic: tricky
Replies: 5
Views: 3258

tricky

The smallest number which when diminished by 14, is exactly divisible 24, 32, 36, 42 and 56 is:
(A)2015
(B) 2030
(C) 2016
(D)2420

by sgr21

Mon Oct 21, 2013 9:48 am
Forum: Problem Solving
Topic: tricky
Replies: 5
Views: 3258

compound interest

A man invested a certain sum of money at 8% compound interest compounded annually. While looking at his investment statement he realized that the interest he earned in the second year was $200 more than the interest he earned in the first year. What was the amount invested by him? (A) $18,780 (B) $2...

by sgr21

Mon Oct 21, 2013 9:37 am
Forum: Problem Solving
Topic: compound interest
Replies: 3
Views: 4450