# @ojas

##### Ojas Doshi 2 karma
Sana Sharma @sana9sharma2
red light flashes 5 times per minute and green 4 times per minute. if light starts flashing off at the same time, how many times do they flash together in a day? 1260 1350 1440 1530
Ojas Doshi @ojas

since its "in a day" ....answer would have been 1440 had it been "everyday"

Sana Sharma @sana9sharma2
red light flashes 5 times per minute and green 4 times per minute. if light starts flashing off at the same time, how many times do they flash together in a day? 1260 1350 1440 1530
Ojas Doshi @ojas

ansher shud b 1441

Sana Sharma @sana9sharma2
ABC is an equilateral triangles. AGFC and BCDE are two squares drawn on side AC and BC respectively. H is any point where BF and AD intersects within the triangle. Q1 what is the measure of angle DHF? (options 105, 90, 75, 45) Q2 what is the ratio of area of triangle( ABH+DHF) to triangle( BHD+...
Ojas Doshi @ojas

90 and 2:root(3)

Priya Singh @priyasingh0113
How many three-digit numbers in base 10 are three-digit numbers in base 8 but not in base 7? *a)*147 *b)*169 *c)*153 *d)*177
Sana Sharma @sana9sharma2
what is the product of the roots of y= |x|^2 - 3|x|+2 ?? 4 -4 2 -2
Ojas Doshi @ojas

1,-1,2,-2 so 4 i think

Sagar Gupta @sagarcat
In a 5 by 12 rectangle, one of the diagonals is drawn and circles are inscribed in both right triangles thus formed. Find the distance between the centers of the two circles.
Ojas Doshi @ojas

root (65)

Sagar Gupta @sagarcat
A triangle with sides of 5, 12 and 13 has both an inscribed and a circumscribed circle. What is the distance between the centers of those circles.
Ojas Doshi @ojas

root(16.25) ??

###### CATOfficial Quant Thread for CAT 2014!!
K @KPuy
What is the remainder when 10^1283 is divided by 514?
Ojas Doshi @ojas

@ashishmakkar : calculations dekhlo ek baar

###### CATOfficial Quant Thread for CAT 2014!!
K @KPuy
What is the remainder when 10^1283 is divided by 514?
Ojas Doshi @ojas

Use CRT by splitting into 2 and 257. Rem with 2 is 0 and with 257 its 229. Thus 486

###### CATOfficial Quant Thread for CAT 2014!!
K @KPuy
What is the remainder when 10^1283 is divided by 514?