Which of the following quadratic equations has real roots?
1). $4x^{2}-3x+6=0$
2). $2x^{2}+7x+6=0$
3). $x^{2}-2x+4=0$
4). $3x^{2}-4x+3=0$
The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is
1). $6x^{2}y - 8xy^{2} + 15y^{2}z$
2). $6x^{2}y + 8xy^{2} - 15y^{2}z$
3). $6x^{2}y + 8xy^{2} - 15y^{2}z - 20xyz$
4). $6x^{2}y + 8xy^{2} - 15y^{2}z + 20xyz$
On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?
1). 2648
2). 2636
3). 2684
4). 2672
The average of 19 consecutive even integers is 50. The highest of these integers is
1). 88
2). 68
3). 126
4). 100
Select the related word/letters/number from the given alternatives.
Land of the Rising Sun : Japan : : The Land of the Thunder Dragon : ?
1). Bhutan
2). Pakistan
3). India
4). Sri Lanka