Night Class: Quant Quiz

Directions (Q. 1–4): In each of these questions, two equations numbered I and II with variables x and y are given. You have to solve both the equations to find the value of x and y. Give answer
1) if x > y
2) if x >= y
3) if x < y
4) if x <= y
5) if x = y or relationship between x and y cannot be determined.

1.
I. x^2 + 8x + 15 = 0
II. y^2 – 12y + 32 = 0
2.
I. 4x^2 + 20y + 25 = 0
II. 4y^2 + 12y + 9 = 0

3.
I. 42x^2 + 89x + 45 = 0
II. 32y^2 + 4y – 21 = 0

4.
I. 12x^2 – 13x + 3 = 0
II. 8y^2 + 22y – 21 = 0

Directions: What value should come in the place of question mark (?) in the following questions?
5. [(87.5)^2 – (12.5)^2]/75 = ?
1) 75
2) 80
3) 85
4) 100
5) 120

6. 238 × 15 + 120% of 25 = ?
1) 3600
2) 3650
3) 3560
4) 3800
5) 3500

7. 10 – [4/5 + {7/5 - (1/6 + 1/8 - 1/3)}] = ?
1) 931/121
2) 931/120
3) 951/120
4) 931/122
5) 941/120

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

8. (4.159 * 3400.01 * 7.94)/ (16.99 * 25.15) = ?
1) 156
2) 256
3) 310
4) 356
5) 345

9. 298 × 64.95 – 1130.48 = ?
1) 18980
2) 17240
3) 18240
4) 15580
5) 16240

10. 149% of 670 – 1121.98 + 129.98 = ?
1) 13
2) 23
3) 29
4) 40
5) 32

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