Free Online IBPS CWE Numerical Ability Mock Test 4 For Bank Exam Prelims and Mains of IBPS CWE PO, IBPS Clerk, IBPS RRB, SBI Clerk, SBI PO Exams.Aptitude.

36. The average of four consecutive numbers A, B, C and D respectively is 56.5 What is the product of A and C?

### Answer & Explanation

### Workspace

### Report Error

Answer: Option E

Explanation:

x+x+1+x+2+x+3 = 4 * 56.5

=> 4x+6 = 226

=> 4x = 220

=> x = 55 = A

and C= 57

∴ A * C = 55 * 57 = 3135

37. Parag walks 226 metres every day. How many kilometres will he walk in five weeks?

### Answer & Explanation

### Workspace

### Report Error

Answer: Option B

Explanation:

Distance covered by Parag = (226 * 5 * 7)/1000 Km

= 7.91 Km

38. At present Kavita is twice Sarita's age. Eight years hence, the respective ratio between Kavita's and Sarita's ages then will be 22:13. What is Kavita's present age?

### Answer & Explanation

### Workspace

### Report Error

Answer: Option D

Explanation:

If Sarita's present age be x years, then

Kavita's present age = 2x years

After eight years,

2x+8/x+8 = 22/13

=> 26x + 104 = 22x + 176

=> 4x = 176 - 104 = 72

=> x = 18

∴ Kavita's present age = 36 years

39. Out of the fractions 4/9, 5/11, 3/7, 1/4 and 2/5 what is the difference between the second largest and second smallest fractions?

### Answer & Explanation

### Workspace

### Report Error

Answer: Option E

Explanation:

4/9 = 0.44; 5/11 = 0.45;

3/7 = 0.43; 1/4 = 0.25; 2/5 = 0.4

∴ Required difference = 4/9 - 2/5 = (20-18)/45 = 2/45

40. What would be the area of a square whose diagonal measures 28 cms. ?

### Answer & Explanation

### Workspace

### Report Error

Answer: Option D

Explanation:

Area of square = 1/2 * (diagonal)^{2}

= (1/2) * 28 * 28

= 392 sq.cm