Ques:- Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?
Recent Answer : Added by Admin On 2022-09-28 18:19:47:
4x:5x:6x
100:50:25
100×4x +50×5x+25×6x
then 400x + 250x + 150x = 16000
800x=16000
x = 20
25 paisa=6x = 20×6=120
so the ans is 120 coins
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Ques:- Newton Rapson method is to find ?
Recent Answer : Added by Admin On 2020-05-17 12:01:17:
to find the root of f(x) = 0;
Ques:- A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?
Recent Answer : Added by dumeel kuppam vavvaalu On 2021-08-25 14:15:33:
From the first statement
Speed=distance/time
=>240/24=10m/s
so speed=10m/s
From the second statement
distance=length of the platform+length of the train=650+240=890m
Time=distance/speed
here, the speed of the train is already calculated
=>890/10=89s
So the time taken by the train to cross the platform is 89 seconds
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Ques:- There is a 5digit no. 3 pairs of sum is eleven each. Last digit is 3 times the first one. 3 rd digit is 3 less than the second. 4 th digit is 4 more than the second one. Find the digit.
Recent Answer : Added by Admin On 2020-05-17 11:59:40:
let first digit be ‘X’
then 5th digit is ‘3X’
let 2nd digit be ‘Y’
then 3rd digit is ‘Y-3’
and 4th digit is ‘Y+4’
then the no is ‘(X)(Y)(Y-3)(Y+4)(3X)’
from the above we can say 3X<=9
so X<=3 and any of the digit in the number is <=9
and also given that 3 pairs sum is 11...
so make trial and error..
if X=1...any of the no is 10 which is wrong trial....
if X=2...then let Y+4=9 ==> Y=5
then no is 25296
first pair 2+9=11
second pair 2+9=11
third pair 5+6=11
now the answer is 25296
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Ques:- Give two dice – one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Recent Answer : Added by Sonali On 2020-11-17 15:27:50:
18
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Recent Answer : Added by Radeus On 2021-11-09 15:53:59:
only if the results are greater than my input
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Ques:- The product of two numbers is 1320 and their HCF is 6. The LCM of the numbers is
A. 220
B. 1314
C. 1326
D. 7920
Recent Answer : Added by MUTHUKRISHNAN P On 2021-12-24 03:27:58:
Product of two numbers = 1320
HCF = 6
LCM = x
Formula:
Product of two numbers =(HCF *LCM)
1320=(6*x)
x=1320/6
x=220
LCM Of the numbers is220
Ques:- A certain sum of money at simple interest amounted Rs.840 in 10 years at 3% per annum, evaluate the sum?
Recent Answer : Added by CS On 2022-08-14 16:31:43:
Ques:- The proportion of copper and zinc in the brass is 13:7. How much zinc will there be in 100 kg of brass?
Recent Answer : Added by Khan On 2022-08-14 16:28:36:
35Kg
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Ques:- A certain street has 1000 buildings. A sign-maker is contracted to number the houses from 1 to 1000. How many zeroes will he need?
Recent Answer : Added by shubham On 2021-10-07 15:41:19:
192 zeros in 1 to 1000
Ques:- A school have 30% from MAHARASTRA .Out of this 20% from BOMBAY students. Find the total percentage of BOMBAY
Recent Answer : Added by Admin On 2020-05-17 11:59:19:
here the 30% of 100 is 30
and 10% of the 30 = 3
so 20% = 6%
so ans = 6%
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Ques:- On Monday a banker processed a batch of cheques, on Tuesday she processed three times as many, and on Wednesday she processed 4000 cheques. In the three days, she processed 16000 cheques. How many did she process on Tuesday?
Recent Answer : Added by Davemark Kigen On 2021-09-28 17:28:21:
4x:5x:6x
100:50:25
100×4x +50×5x+25×6x
then 400x + 250x + 150x = 16000
800x=16000
x = 20
25 paisa=6x = 20×6=120
so the ans is 120 coins