2 clocks show the same time at 4 p.m. The first clock loses 10 min every 2 hr and the second gains 10 min every hour. When will they both show the same time again?
The angles of depression of two boats separated by 600 m on either side of a light house are 15° and 75° respectively. The height of the light house in metres is.
- 300 under root 3
- 150 under root 3
- 150
- 200
0 voters
Ramit and Amit travel with a uniform speed from A to B and B to A respectively, via the same route. Ramit starts at 0500 hrs while Amit starts 4 hrs later. They meet on the way at 1310 hrs. At what time do they reach their destinations, if both of them reach at the same time?
a) 1900 Hrs
b) 2000 Hrs
c) 1830 Hrs
d) 1930 Hrs
e) None of these
Solution please...!
find the number of three element sets of distinct positive integers a,b,c such that abc=210.
The inclination of the line passing through the points is(-1,-2 root 3) and(2,root 3).
- 60°
- 150° 
- 120°
- 30°
0 voters
If nC24 = nC25, then 50Cn =
explain approch
- 24
- 50
- 49
- 25
0 voters
product of 3 positive integers is 72..find the number of ways???
@jp_1991 Trying again, server seems to have swallowed my earlier reply... @Combater
regards
scrabbler
if a,b->{1,2,3,4} then the number of equations of the form ax^2+bx+1=0 having real roots is ??? a.10 b.7 c.6 d.12
Asha marks an article 20% above the cost price. Her father unknowingly sticks a label indicating a price which is 20% above her intended list price. What discount percentage should be allowed in order to get a profit of 0.8%?
- 13.2%
- 12%
- 20%
- 30%
0 voters
if A={a,b,c,d,e} and B={w,x,y,z} how many onto function can be created from A toB ?
I want to solve this question using P N C concept
Any help will be apprecited
the value of p for which the sum of the square of the roots of 2x^2-2(p-2)x-p-1=0 is least is A.1 B.3/2 C.2 D-1
if one root of the equation (I-m)x^2+Ix+1=0 is double of the other and is real, find the greatest value of m??? A.9/8 B 8/7 C 8/6 D 7/5
Two circles having equal radii touch each other externally. If the distance between the centres of the two circles is 18 cm, then the length of the direct common tangent that can be drawn to the two circles is?
for what values of c in the equation 2x^2-(c^3+8c-1)x+c^2-4c=0 the roots of the equation could be opposite in signs?? A.c->(0,4) B. c->(-4,0) C. c->(0,3) D. c->(-4,4)
A park is in the form of a square of side s. A and B start walking on its boundary in opposite directions, both starting from the same point, P, which is a corner of the park. In the time that A completes 3 rounds of the park, B completes 4. What is the straight line distance between P and the point where A and B meet on their 3rd meeting?
no. of ways for
a+b+c+d = 19 where 2. exp pls?
find second term of an A.P if the sum of its first five even terms is equal to 15 and the sum of the first 3 terms is equal to -3
What is the area of a square of maximum possible area inscribed in an eqilateral triangle of side 'a'? exp pls? @placiddisciple @jp_1991 @jasneetdua
in traingle ABC, D and E are points on AB and AC respectively, such that DE is parallel to BC. BE AND CD intersect at M. If the area of triangle ADE is 7/3 times the area of triangle MDE. find BC/DE.. ?