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What will come in place of question mark (?) in the following number series?
I) 12, 72, 396, 1980, 8910, 35640
II) 2……..5940.If 5940 is the nth term find the value of n
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Series I,
12*6=72
72*5.5=396
396*5=1980
1980*4.5=8910
8910*4=35640
Series II,
2 is the 1st term
2*6=12
12*5.5=66
66*5=330
330*4.5=1485
1485*4=5940
5940 is 6th term.
I) 5775, 525, 75, 15, 5
II) 7700……20.If 20 is the nth term find the value of n
5775/11=525
525/7=75
75/5=15
15/3=5
7700 is the 1st term
7700/11=700
700/7=100
100/5=20
20 is 4th term
I) 23, 752, 1264, 1607, 1823, 1948
II) 41…..1841. If 1841 is the nth term find the value of n
23+93=752
752+83=1264
1264+73=1607
1607+63=1823
1823+53=1948
41 is the 1st term
41+93=770
770+83=1282
1282+73=1625
1625+63=1841
1841 is 5th term.
I) 78, 134, 146, 170
II)13….62. If 62 is the nth term find the value of n
78+(7*8)=134
134+(1*3*4)=146
146+(1*4*6)=170
13 is the 1st term
13+(1*3)=16
16+(1*6)=22
22+(2*2)=26
26+(2*6)=38
38+(3*8)=62
62 is 6th term.
What is the approximate value should come in place of question mark in the following questions?
69.087*4.998+23.90%of449.90+128.90*√120.890=?+567.089
345+108+1419=?+567
?=1305
√1849.098*√35.908+37.508%119.98+18.07*√1521.09=?+4.990
258+45+702=?+5
?=1000
√12545.09*√63.99+47.018*19.098+62.509%of631.909=?+1183.908
896+893+395=?+1184
1000=?
√169.08*√2400.908+34.908%of77.890+56.098*24.905=?
13*49+27+1400=?
2064=?
31.315+41.141+51.156+61.160+71.179+81.188=?
31+41+51+61+71+81=?
336=?
Directions For Questions
Read the following information carefully and answer the given questions:
Ovi, Kavin and Esai started the business with the investment of Rs.2000, Rs.3000 and Rs.1000 respectively. After (A) months Pooja Joined the business with investment of 75% of the Ovi’s initial investment. At the end of one year the Kavin’s share is Rs.6000 from the total profit is Rs.13500.Pooja invested his profit share in one of the scheme which is offering compound interest annually at (B)% for 3 years. After three years, Pooja received the total amount which is Rs.2592. Kavin brought the mobile and sold it at a loss of(B-10)%. Had he bought it for B% less and sold it for Rs.1760 more he would have had a profit of (B+20)%. The cost price of the mobile is Rs.(C). Esai, Ovi and Pooja can do the piece of work in 24, 36 and 48 days respectively. They started the work together but after 5 days Esai left. Ovi left 10 days before the completion of the work. The total work will be completed in (D) days.Ovi deposit Rs.C to the bank which is offering simple interest at 15% per annum for (E) years. After E years Ovi received the total amount as Rs.22400
...view full instructions
Find the in the place of (A)
Profit ratio=2000*12:3000*12:1000*12:(75/100*2000)*(12-A)
=24000: 36000: 12000: (18000-1500A)
Now, 36000/ (90000-1500A) =6000/13500
6*13500=90000-1500A
A=6 months
Profit ratio=24000:36000:12000:9000
=8:12:4:3
Pooja’s share=3/27*13500=Rs. 1500
2592=1500*(1+B/100)3
2592*100*100*100=1500(100+B)3
B=20%
C*80/100*140/100-C*90/100=1760
11200C-9000C=17600000
C=Rs.8000
Esai=1/24
Ovi=1/36
Pooja=1/48
5/24+(D-10)/36+D/48=1
(30+4*(D-10)+3D)/144=1
30+4D-40+3D=144
7D=154
D=22 days
Simple interest=22400-8000=Rs. 14400
14400=8000*15*E/100
E=12 years
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