Quantitative Aptitude: Simplification Questions Set 4

What approximate value should come in place of question mark (?) in the following questions?

1. 286.04×11.646+65.37×54.08=?+137.989
A)  7000
B)  6750
C)  6800
D) 6700
E) 6680
View Answer
Option C
Solution:
?+137.989=286.04×11.646+65.37×54.08

286×12 + 65×54
3432+3510 = 6942
Or, ?+138 = 6942
?=6942-138=6804 = 6800

2. 85943 – 71206 + 37517 – 3512 + 119 = ?
A) 48870
B) 43780
C) 42680
D) 46590
E) None of these.
View Answer
Option A
Solution:
85940 – 71200 + 37520 – 3510 + 120 = 48870

3. 20440÷639.890=√(?)
A)  984
B)  1110
C) 900
D) 1084
E) 1200
View Answer
Option D
Solution:
√(?) = 20440÷640 = 31.99 = 32 = 32×32 = 1084

4. 122.05% of 120+149.99% of 150=?
A)  371
B)  380
C)  350
D) 385
E) 360
View Answer
Option A
Solution:
(122×120/100)+(150×150/100)

= (146.4+225)
= 371.4 = 371

5. (9.899)3×(2.399)2×(4.005)4=?
A)  144800
B) 140000
C) 1428200
D) 1458000
E) None of these.
View Answer
Option C
Solution:
(9.9)3×(2.4)2×(4)4 =
(970.299)×(5.76)×256
(970.3)×(5.75)×256 = 1428281.6 = 1428200

6. 999.99÷25.012 = ? – 235.448
A) 265
B) 255
C) 275
D) 285
E) None of these.
View Answer
Option C
Solution:
1000/ 25 = ? – 235

40 = ? – 235
? = 235+40 = 275

7. 633.72-569.21÷(11.9% of 80)=?
A)  6.667
B)  575
C) 7
D) 600
E) None of these.
View Answer
Option B
Solution:
?
=633.72-569.21÷(11.9% of 80)  = 634-570÷(80×12)/100 = 634-570/9.6 =634 – 59.375 =575 (appx)

8. 67.99 -11.78 + 19.63 =? + 22.41
A)  56
B)  54
C)  58
D)  60
E)  52
View Answer
Option B
Solution:
67.99 -11.78 + 19.63 =?+ 22.41
68 – 12+20 = ? + 22  = 88-12 -22 = 54

9. (49.999)2+(59.96)2+(64.501)2 =?
A)  16425
B)  12369
C)  10260
D)  13425
E)  None of these.
View Answer
Option C
Solution:
?=(500)2+(60)2+(64.5)2 = 2500+3600+4160.25 = 10260

10. √1225 +  √2209 –  √5329 =  √?
A)  81
B)  9
C) 18
D) 729
E) None of these.
View Answer
Option B
Solution:
√1225 +  √2209 –  √5329 =  √?
35+47-73 = 9=  √81

19 Thoughts to “Quantitative Aptitude: Simplification Questions Set 4”

1. hi

Tq;))

2. M@nish...

ans 9 and 5 is wrong

1. _/_

same here

2. ครђ

>for Ques 9…
2500+3600+4096=10196 which is nearest to option C

>Ques 5 me doubt hai 😛

3. Ambika

both are correct
2500+3600+4096=10196 which is nearest to option C as said by ashu

and 5 me 9.89 ko 9.9 tak hi kro appx 10 nhi
option near hain to jyada appx ni karna chahiye variance jyada ayega usse

3. Pawan

please check ques 2 option should b E

4. Pawan

3 rd qustion it should b 1024

1. ครђ

Yes…approximation lena hai na to it would be 1084 🙂

5. Sourav

Ye IBPS PO ka jo notification sb jagah aaya hai ye real ya fake hai???

1. ครђ

Officially aisa kuch nahi aaya hai abhi …wait for it 🙂

6. ครђ

Thanks Ambika Ma’am 🙂 🙂

7. MiMi

thnk u :))

8. jaga

Thqnk u

9. swati

thank you team AZ provide more sets

10. blossom??☔️

286.04×11.646+65.37×54.08=?+137.989
A) 7000
B) 6750
C) 6800
D) 6700
E) 6680

If we do exactly we get 6728.44..!!
Ans 6800..Approximately means should be Atleast near na..This much diff btwn exact value to approx..That too other options there which are near 6700 and 6750..!!

11. Ayushi

mam 2nd ka ans toh 48861 h

12. karthik

8th answer is E not B