For the following questions answer them individually
Two numbers are in the ratio 3 : 4. On increasing each of them by 30, the ratio becomes 9 : 10. The sum of the numbers is:
In a $$\triangle$$ABC,the bisectors of $$\angle$$B and $$\angle$$C meet at O with in the triangle. If $$\angle$$A = 110$$^\circ$$, then the measure of $$\angle$$BOC is:
There are two circles of radius 5 cm and 3 cm respectively. The distance between their centres is 10 cm. The length (in cm) of a transverse common tangent is:
The average age of fifteen persons is 32 years. If two more persons are added, then the average is increased by 3 years. The new persons have age difference of 7 years. The age (in years) of the younger among the new persons is:
Select the most appropriate passive form of the given sentence.
The surgeon successfully operated upon the patient.
Identify the segment which contains the grammatical error.
Lack of formal education did not prevent Lincoln to become a great leader.